Dell PowerEdge R240 Review — Gen 14 1U Entry-Level SMB Rack Server

Dell PowerEdge R240

14th Gen 1U Entry-Level Rack Server — Intel Xeon E-2200 · Up to 64 GB DDR4 · 4 Drives · iDRAC9

Gen 14 1U Rack Single Socket Intel Xeon E-2200 Up to 64 GB DDR4 Up to 8 Cores iDRAC9

Versatile Performance for SMB and Service Providers

  • Web Hosting & E-Commerce — Delivers steady throughput for small-to-midsize websites and lightweight e-commerce platforms with room to grow

  • Mail Server — Reliable single-socket platform suited for hosting Microsoft Exchange or similar business email services

  • File & Print Services — Handles shared network storage and print queue management for offices with dozens of concurrent users

  • DHCP & DNS Infrastructure — Low-TDP CPU options keep infrastructure services running with minimal power draw around the clock

  • Surveillance & Security — Compact 1U chassis supports dense rack deployments managing IP camera feeds and access event logging

  • SAN Proxy Server — Single-socket performance and dual-port LOM cover lightweight SAN pass-through and proxy offloading

  • General Business Applications — Broad OS compatibility and flexible storage configurations support a wide range of productivity and line-of-business workloads

Dell PowerEdge R240 — Versatile Performance for SMB and Service Providers

Up to 8-Core Intel® Xeon® E-2200 Series Processor

  • Intel Xeon E-2200 Family — Coffee Lake Refresh silicon with up to 8 cores and 16 threads at up to 3.7 GHz base on a single LGA1151 socket

  • Wide SKU Range — From Intel Celeron G4930 (2C/2T, 54 W) to Xeon E-2288G (8C/16T, 95 W) to match every budget and TDP requirement

  • Turbo Boost 2.0 — All Xeon E-2200 SKUs support automatic frequency scaling up to rated boost clocks when operating below thermal and power limits

  • Up to 2666 MT/s DDR4 — Integrated two-channel DDR4 memory controller maximizes bandwidth across all four UDIMM slots

  • 16 PCIe Gen 3 Lanes — 20% more PCIe bandwidth vs. the E3-1200 v6 predecessor; supports RAID cards, NICs, and BOSS modules simultaneously

  • Intel SGX Support — Software Guard Extensions available on E-2274G, E-2276G, E-2286G, E-2288G and select E-2100 SKUs for enclave-based workload isolation

  • Intel VT-x / VT-d — Hardware virtualization support enables efficient guest OS management under VMware ESXi, Microsoft Hyper-V, and KVM

DDR4 ECC UDIMM — Up to 64 GB at 2666 MT/s

  • 4 DIMM Slots — Single-socket platform with four DDR4 UDIMM slots; a fully populated 4 × 16 GB configuration reaches the 64 GB maximum

  • ECC Only — Unbuffered ECC DDR4 corrects single-bit errors across all 72-bit channels (64 data + 8 ECC bits), protecting workload integrity

  • Up to 2666 MT/s — Maximum memory speed with 8 GB or 16 GB UDIMMs across all channel configurations; 11% faster than the R230's 2400 MT/s ceiling

  • Supported Capacities — 4 GB, 8 GB, and 16 GB UDIMM modules supported; single-DIMM minimum configuration starts at 8 GB in slot A1

  • Dual-Channel Mode — Intel Flex Memory Technology enables dual-channel operation when both memory channels are populated, maximizing throughput

  • 1.2 V Operating Voltage — DDR4 lower voltage reduces platform power draw compared to DDR3-based predecessor servers

  • Flexible Upgrade Path — Begin with a single DIMM and expand in-service; all four slots can be populated independently for incremental memory growth

Parts Supported

Up to 4 × 3.5-Inch Hot-Plug or Cabled Drive Bays

  • Hot-Plug Configuration — 4 × 3.5-inch bays accepting SAS, SATA, Nearline SAS, and SSD drives with full hot-swap capability (SSD available in hot-plug only)

  • Cabled Configurations — 2 × 3.5-inch or 4 × 3.5-inch cabled SATA/Nearline SAS options for cost-sensitive deployments where hot-swap is not required

  • 2.5-Inch Drives Supported — Optional 3.5-inch to 2.5-inch carriers allow installation of 2.5-inch SAS, SATA, and SSD drives in the hot-plug chassis

  • Up to 56 TB Raw Capacity — Four 3.5-inch bays populated with 14 TB NL-SAS or SATA HDDs deliver maximum dense storage in a 1U footprint

  • 6 Gbps & 12 Gbps Drives — Both 6 Gbps SATA and 12 Gbps SAS/NL-SAS drive protocol speeds are supported across all chassis configurations

  • SSD Capacities — 2.5-inch SATA SSDs from 240 GB to 7.68 TB and SAS SSDs from 800 GB to 7.68 TB for high-IOPS workloads

  • Optional Optical Drive — One slim 9.5 mm ODD bay accepts DVD-ROM or DVD+ROM; external LTO-6, LTO-7, and LTO-8 SAS tape drives also supported

BOSS M.2 Module & Internal Dual SD Module

  • BOSS Card — Boot Optimized Storage Subsystem occupies one PCIe slot and provides dedicated M.2 SATA SSD media for OS boot, keeping all drive bays free for data

  • Dual M.2 Configuration — Two M.2 240 GB modules support RAID 1 mirrored operation or No-RAID for maximum flexibility

  • Single M.2 Configuration — One M.2 240 GB module operates in No-RAID only mode when full redundancy is not required

  • Full OS Support — BOSS supports any full operating system unlike IDSDM, which is optimized for hypervisor-only (ESXi) deployments

  • IDSDM — Internal Dual SD Module (optional) provides two microSD ports directly on the motherboard; supported card capacities of 8, 16, 32, and 64 GB

  • IDSDM RAID 1 — Both microSD cards operate in a mirrored pair; single-card mode also supported for basic boot media without redundancy

  • ESXi Optimized — IDSDM is the preferred boot option for VMware ESXi deployments; BOSS is recommended for Windows Server and Linux full OS installs

Dell PowerEdge R240 — BOSS M.2 Module & Internal Dual SD Module
Parts Supported

PERC H730P, H330, and Software RAID S140

  • PERC H730P — Hardware RAID controller with 2 GB NV flash cache; supports RAID 0, 1, 5, 6, 10, 50, and 60 for high-performance write-intensive workloads

  • PERC H330 — Entry-level hardware RAID controller supporting RAID 0, 1, 5, 6, 10, 50, and 60 without an onboard cache module

  • PERC S140 — Next-generation software RAID built into the chipset; supports RAID 0, 1, 5, and 10 without any add-in controller card

  • HBA330 Internal — Host Bus Adapter for JBOD pass-through scenarios where the OS or a software-defined storage layer manages data protection

  • 12 Gbps SAS HBA (External) — External SAS Host Bus Adapter for connecting SAS disk shelves, tape libraries, and direct-attached storage enclosures

  • Improved vs. R230 — S140 replaces S130; H730P replaces H730 with NV cache; HBA330 internal adapter is new in Gen 14

  • 6 Gbps & 12 Gbps SAS/SATA — All controller options support both SATA III and SAS-3 drives across the full mix of supported drive types

Dell PowerEdge R240 — PERC H730P, H330, and Software RAID S140
Parts Supported

2 × PCIe Gen 3 Slots for Add-In Cards

  • Slot 1 — Low Profile — x8 PCIe Gen 3 slot with x4 CPU lanes; accepts half-height, half-length cards up to 68.9 mm tall and 167.65 mm long

  • Slot 2 — Full Height — x16 PCIe Gen 3 slot with x8 CPU lanes; accepts full-height, half-length cards up to 111.15 mm tall and 167.65 mm long

  • 20% More PCIe Bandwidth — The Gen 14 Intel C246 platform delivers 20% more PCIe lane bandwidth than the predecessor C236-based R230

  • BOSS Card Placement — BOSS M.2 module occupies one PCIe slot; install it in Slot 1 (LP) to reserve Slot 2 (FH) for a PERC controller card

  • No GPU Output — E-2100 and E-2200 platform does not support discrete graphics output due to processor-level technical restrictions

  • NIC Add-In Cards — Intel I350 and Broadcom 5720/5719 dual- and quad-port 1 GbE cards available in FH or LP form factors for added network ports

  • 12 Gbps SAS HBA — External SAS HBA occupies one slot for direct-attached SAS expansion shelves and tape library connectivity

Dell PowerEdge R240 — 2 × PCIe Gen 3 Slots for Add-In Cards
Parts Supported

Dual 1GbE LOM with Optional PCIe Add-In NICs

  • 2 × Broadcom BCM5720 LOM — Integrated dual-port 1GbE network controller on the rear panel (Gb1 and Gb2) for out-of-box Ethernet connectivity

  • iDRAC Dedicated NIC — Separate 1GbE management port reserved exclusively for iDRAC9 out-of-band access; does not share bandwidth with host LOM ports

  • 10/100/1000 Mbps Auto-Sensing — Both LOM ports support full auto-negotiation at all three Ethernet speeds for legacy and modern switch compatibility

  • Optional Dual-Port 1GbE NIC — Intel I350 DP or Broadcom BCM5720 DP add-in cards available in both full-height and low-profile form factors

  • Optional Quad-Port 1GbE NIC — Intel I350 QP or Broadcom BCM5719 QP for environments requiring four additional host network ports

  • PCIe Gen 3 Bandwidth — Network add-in cards connected via x4 or x8 PCIe Gen 3 lanes running at up to 8 GT/s transfer rate

  • SMB-Ready Stack — Dual 1GbE LOM covers all typical SMB and service provider bandwidth requirements without requiring an additional NIC card

Dell PowerEdge R240 — Dual 1GbE LOM with Optional PCIe Add-In NICs
Parts Supported

250 W Bronze or 450 W Platinum Cabled PSU

  • 250 W Bronze PSU — Cabled AC power supply rated at 100–240 V autoranging; ideal for low-TDP Celeron, Pentium, and entry Xeon configurations (max 1039 BTU/hr)

  • 450 W Platinum PSU — High-efficiency Platinum-rated cabled supply for E-2288G maxed-out configurations with full drives and PCIe cards installed (max 1725 BTU/hr)

  • BIST Diagnostics — Built-in Self Test button and LED on the rear panel allow no-boot PSU testing without removing system covers

  • Cabled Design — Fixed cable routing optimized for compact 1U chassis; non-redundant single-PSU architecture keeps cost and footprint low

  • Wide Voltage Range — Autoranging 100–240 V AC at 50/60 Hz supports worldwide power infrastructure without requiring a voltage selector switch

  • 80 PLUS Efficiency Ratings — Bronze (250 W) and Platinum (450 W) ratings reduce excess heat generation and lower total cost of ownership over time

  • Right-Sized Power Selection — 250 W suits E-2224, Pentium, and Celeron processors; 450 W covers E-2288G with four 3.5-inch HDDs fully loaded

Parts Supported

Multi-Vector Cooling for Quiet, Efficient Airflow

  • Multi-Vector Cooling — Dell's thermal algorithm automatically calculates and delivers the optimal airflow profile for every hardware configuration

  • 3–4 Non-Redundant Fans — Fan count scales with drive count: 2-drive cabled chassis uses 2 × 40 mm fans; 4-drive hot-plug chassis uses 4 × 40 mm fans

  • Closed-Loop Control — Temperature sensors on the CPU, chipset, and drive backplane feed real-time data to the fan speed controller for dynamic adjustment

  • Open-Loop Baseline — System configuration inventory pre-sets a baseline fan speed for detected hardware before sensor feedback begins

  • DAPC Default Profile — Power Optimized thermal mode (Dell Active Power Controller) keeps acoustics low during typical workloads

  • Office-Capable Acoustics — Minimum configuration operates at only 39–40 dBA at 25 °C; suitable for attended or near-office rack environments

  • 10–35 °C Operating Range — Standard operation certified up to 3048 m altitude; expanded range to 40 °C with appropriate hardware configuration limits

Comprehensive Front and Rear Port Layout

  • Front USB — 1 × USB 2.0 port for local management media; 1 × iDRAC Direct Micro USB 2.0 port for at-the-server diagnostics and console access

  • Rear USB — 2 × USB 3.0 ports for external storage, OS installation media, or peripheral dongles; USB 3.0 provides 5 Gbps transfer bandwidth

  • Internal USB — 1 × USB 3.0 internal header for boot drives, licensing dongles, or system management USB keys housed inside the chassis

  • VGA Display Port — 1 × VGA port on the rear panel; integrated Matrox G200 with 16 MB frame buffer supports up to 1280 × 1024 resolution

  • Serial Console Port — 1 × DB-9 serial port on the rear panel for legacy serial console access, BIOS configuration, and headless terminal sessions

  • NIC & Management Ports — 2 × RJ-45 1GbE LOM ports (Gb1, Gb2) and 1 × dedicated iDRAC9 RJ-45 NIC port on the rear panel

  • PCIe Add-In I/O — Half-height LP and full-height FH PCIe slots expose add-in card ports at the rear of the chassis for NICs, HBAs, and RAID controllers

Dell PowerEdge R240 — Comprehensive Front and Rear Port Layout

End-to-End Cyber Resilient Security Architecture

  • Silicon Root of Trust — Cryptographic fingerprint burned into the iDRAC9 chip validates every firmware component from power-on before the OS loads

  • Cryptographically Signed Firmware — All Dell firmware packages carry a certificate; any tampered or unsigned package is rejected at installation time

  • Secure Boot — UEFI Secure Boot prevents unauthorized or unsigned operating system bootloaders and kernel code from executing

  • TPM 1.2 / TPM 2.0 — Optional Trusted Platform Module provides hardware-rooted key storage for BitLocker, Intel TXT, and attestation workloads

  • iDRAC9 Server Lockdown — Prevents unauthorized firmware, BIOS setting, or hardware configuration changes during runtime (requires iDRAC Enterprise or Datacenter license)

  • System Erase — Wipes all storage media including NAND flash, HDDs, and SSDs to cryptographic erasure standards before asset decommissioning or resale

  • Chassis Intrusion Switch — Hardware switch logs and alerts on unauthorized chassis opening events through iDRAC9 hardware inventory and event log

Parts Supported

iDRAC9 Out-of-Band Management with Lifecycle Controller 3.0

  • iDRAC9 Embedded Controller — Dedicated management processor with its own NIC, power rail, and firmware; operates fully independent of the host OS

  • Lifecycle Controller 3.0 — Agent-free provisioning, firmware updates, configuration backup, and OS deployment—all accessible without a running OS

  • OpenManage Enterprise — One-to-many console for policy-based fleet management, hardware inventory, monitoring, and alerting across all PowerEdge generations

  • OpenManage Mobile — Manage the R240 remotely from iOS or Android devices using the OpenManage Mobile app with OpenManage Enterprise integration

  • iDRAC RESTful API with Redfish — Standards-based REST/JSON API supports scripting and infrastructure automation via Ansible Modules, Python, and PowerShell

  • VFlash (Optional) — Virtual flash memory module extends iDRAC9 media storage for OS images, configuration archives, and diagnostic tools

  • SupportAssist Integration — Automated case creation, predictive failure alerting, and up to 72% reduction in IT effort resolving server hardware issues

Windows, Linux, VMware & Citrix Hypervisor Support

  • Windows Server 2019 — Certified for Standard and Essentials editions with Hyper-V; supports Windows Admin Center for modern browser-based management

  • Windows Server 2016 — Fully supported with Hyper-V Standard and Essentials for environments standardized on the 2016 platform

  • Red Hat Enterprise Linux 7.5 — RHEL 7.5 certified for mission-critical workloads requiring long-term platform support and enterprise-grade kernel stability

  • SUSE Linux Enterprise Server 15 — SLES 15 supported for file/print, SAP, and SUSE-standardized customer environments

  • Ubuntu Server 18.04.1 LTS — Open-source option for developer teams and lightweight cloud-native services running on bare-metal Ubuntu

  • VMware ESXi 6.5 / 6.7 — Certified for both ESXi releases; integrates with vCenter and Dell OpenManage Integration for VMware vCenter (OMIVV)

  • Citrix XenServer 7.1 — Hypervisor support for virtual desktop infrastructure and hosted application delivery environments

Dell PowerEdge R240 — Windows, Linux, VMware & Citrix Hypervisor Support

ReadyRails™ Tool-Less Mounting for Standard Racks

  • ReadyRails Static Rails — Included for tool-less sliding installation in 4-post racks with square or unthreaded round holes; no cage nuts or screws required

  • Tooled Mounting Support — Supports screw-in installation in 4-post threaded racks and 2-post (Telco) racks for maximum mounting flexibility

  • 1U Compact Profile — 42.8 mm chassis height occupies a single rack unit; chassis depth of 573.6 mm (22.58 in.) fits standard 1000 mm rack enclosures

  • CMA Connector — Rear panel system status indicator port accepts an optional Cable Management Arm for organized cable routing

  • Maximum Weight — System weighs up to 12.2 kg (26.89 lb.) with four 3.5-inch drives and full memory population; well within standard rail load ratings

  • Rail Kit Documentation — Complete installation guides and rack compatibility matrices available at dell.com/poweredgemanuals

  • Standard 19-Inch Racks — Certified for use in standard 19-inch four-post rack enclosures per Dell EMC rack integration standards

Parts Supported

R240 vs R230 — 100% More Cores, Faster DDR4, and iDRAC9

  • 100% More Cores — The R240 delivers up to 8 cores vs. 4 cores on the R230, doubling threaded compute capacity for the same 1U footprint

  • 11% Faster Memory — DDR4 speed increases from 2400 MT/s (R230) to 2666 MT/s (R240), improving bandwidth-sensitive workload performance

  • 20% More PCIe Bandwidth — Intel C246 platform versus C236 delivers more PCIe Gen 3 bandwidth for faster NIC, RAID, and HBA throughput

  • iDRAC9 vs iDRAC8 — iDRAC9 adds Silicon Root of Trust, Redfish API, faster inventory, server lockdown, and system erase capabilities not present in iDRAC8

  • BOSS Boot Storage — R240 introduces the BOSS M.2 module for dedicated OS boot media; R230 had no equivalent, requiring a drive bay for OS installation

  • HBA330 & S140 RAID — R240 adds HBA330 internal adapter and upgrades S130 software RAID to S140 with RAID 5 support

  • Optional 450 W Platinum PSU — R230 only offered 250 W Bronze; R240 adds a Platinum-rated 450 W option for high-wattage CPU and full drive configurations

Feature R230 (Gen 13) R240 (Gen 14)
Processor Family Xeon E3-1200 v6 (up to 4C) Xeon E-2100/E-2200 (up to 8C)
Max Cores 4 cores 8 cores (+100%)
L3 Cache Up to 8 MB Up to 12 MB
Chipset Intel C236 Intel C246
Memory Speed Up to 2400 MT/s Up to 2666 MT/s (+11%)
RAID Options S130, H330, H730 S140, H330, H730P, HBA330
Boot Storage Not supported BOSS M.2 240 GB
Management iDRAC8 Express / Enterprise iDRAC9 Express / Enterprise
PSU Options 250 W Bronze only 250 W Bronze or 450 W Platinum
Form Factor 1U Rack 1U Rack

ProSupport Plus for Maximum Business-Critical Uptime

  • ProSupport Plus — Dell's most comprehensive service plan includes 24×7 proactive monitoring, predictive failure alerting, and priority access to senior engineers

  • SupportAssist Automation — Automated diagnostics and case creation reduce IT effort by up to 72% compared to manual troubleshooting under Basic Warranty

  • ProSupport — Hardware support with 24×7 phone availability and on-site next-business-day or next-day dispatch service options for standard SLA requirements

  • ProDeploy Enterprise Suite — Advanced deployment with BIOS, OS, and application configuration; options range from Basic Deployment to ProDeploy Plus

  • Residency Services — Embedded Dell engineers available for extended on-site engagement covering configuration, optimization, and knowledge transfer

  • Remote Consulting Services — Expert remote guidance for data migration, configuration review, and infrastructure planning projects

  • Dell Education Services — Instructor-led and self-paced online training covering iDRAC9 administration, OpenManage Enterprise, and PowerEdge lifecycle management

Dell PowerEdge R240 — ProSupport Plus for Maximum Business-Critical Uptime

Frequently Asked Questions — Dell PowerEdge R240

The Dell PowerEdge R240 supports up to 64 GB of DDR4 ECC UDIMM RAM across 4 DIMM slots, using 4 × 16 GB modules at speeds up to 2666 MT/s. It supports ECC UDIMMs only — not RDIMMs or LRDIMMs — in 4 GB, 8 GB, and 16 GB capacities. Dual-channel operation activates when both memory channels are populated for maximum throughput. Configure your R240 memory at ECS.

The Dell PowerEdge R240 holds up to four 3.5-inch hot-plug drives (SAS, SATA, NL-SAS, or SSD) in the hot-plug chassis configuration, or 2 or 4 cabled 3.5-inch SATA/NL-SAS drives in the non-hot-plug versions. Four bays populated with 14 TB NL-SAS or SATA HDDs deliver up to 56 TB raw capacity in a 1U footprint. The BOSS M.2 module provides a separate dedicated OS boot drive, keeping all four data bays free for workload storage.

The Dell PowerEdge R240 supports Intel Xeon E-2100 and E-2200 series processors in a single LGA 1151 socket — up to 8 cores and 16 threads with the Xeon E-2288G (3.7 GHz, 8C/16T, up to 5.0 GHz Turbo, 95 W). It also accepts Intel Core i3 and Intel Pentium processors for the most cost-sensitive deployments. The Intel C246 chipset platform delivers PCIe Gen 3 expansion and full support for ECC UDIMMs across all CPU options.

Yes. Express Computer Systems stocks professionally reconditioned refurbished Dell PowerEdge R240 servers tested, cleaned, and configured to your exact CPU, memory, and storage specifications — ready to deploy for edge computing, branch office, or SMB workloads at significant cost savings versus new. Shop refurbished Dell R240 servers at ECS.

The Dell PowerEdge R240 (Gen 14) upgrades the R230 (Gen 13) with 100% more CPU cores (up to 8 vs 4), 11% faster DDR4 memory at 2666 MT/s vs 2400 MT/s, iDRAC9 replacing iDRAC8 (adding Silicon Root of Trust, Redfish API, and system lockdown), a dedicated BOSS M.2 boot module absent on the R230, the new HBA330 internal adapter, software RAID upgraded from S130 to S140 with RAID 5 support, and an optional 450 W Platinum PSU replacing the R230’s 250 W Bronze-only configuration — all within the same 1U rack chassis.

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