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Dell PERC 11 H755 (SAS/SATA) Front RAID Controller | 3KDWX

 
Price: $535.00

Brand:  
MPN:  
3KDWX
Type:  
Storage Controllers
Condition:  
ECS Refurbished & Tested

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-PLEASE CONTACT FOR CUSTOM CONFIGURATIONS. DISK SHELVES, COMPLETE CONFIGURATIONS & TURN KEY SYSTEMS AVAILABLE.
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Dell PERC 11 H755 (SAS/SATA) Front RAID Controller | 3KDWX

Quick Specs

Models

Front PERC

Drive Types

12 Gb/s SAS
6 Gb/s SAS/SATA
3Gb/s SAS/SATA

PCI Support

PCI-e 4.0

SAS Connectors

16 Port 2x8 Internal

Cache Memory

8GB NV

Write Back Cache

Flash Backed Cache

Max Drive Support

16/controller
50 with SAS Expander *Platform limit

RADI Levels

0,1,5,6,10,50,60

RAID Support

Hardware

Part Numbers:

  • 3KDWX
H755 PERC Series 11 Options
Summary of RAID levels

Summary of RAID levels Following is a list of the RAID levels supported by the PERC 12 series of cards:

  • RAID 0

    Uses disk striping to provide high data throughput, especially for large files in an environment that requires no data redundancy.

  • RAID 1

    Uses disk mirroring so that data written to one physical disk is simultaneously written to another physical disk. RAID 1 is good for small databases or other applications that require small capacity and complete data redundancy.

  • RAID 5

    Uses disk striping and parity data across all physical disks (distributed parity) to provide high data throughput and data redundancy, especially for small random access.

  • RAID 6

    Is an extension of RAID 5 and uses an additional parity block. RAID 6 uses block-level striping with two parity blocks distributed across all member disks. RAID 6 provides protection against double disk failures, and failures while a single disk is rebuilding. If you are using only one array, deploying RAID 6 is more effective than deploying a hot spare disk.

  • RAID 10

    Is a combination of RAID 0 and RAID 1, uses disk striping across mirrored disks. It provides high data throughput and complete data redundancy.

  • RAID 50

    Is a combination of RAID 0 and RAID 5 where a RAID 0 array is striped across RAID 5 elements. RAID 50 requires at least six disks.

  • RAID 60

    Is a combination of RAID 0 and RAID 6 where a RAID 0 array is striped across RAID 6 elements. RAID 60 requires at least eight disks.

Product Specs

Base Standard Capabilities

Table 1. Technical specifications of PERC 11 cardsThe following tables list the technical specifications of PERC 11 cards. 
FeaturePERC H755 adapterPERC H755 front SASPERC H755N front NVMePERC H755 MX adapterPERC H750 adapter SAS
RAID levels0, 1, 5, 6, 10, 50, 600, 1, 5, 6, 10, 50, 600, 1, 5, 6, 10, 50, 600, 1, 5, 6, 10, 50 ,600, 1, 5, 6, 10, 50 ,60
Non–RAIDYesYesYesYesYes
Enclosures per portNot applicableNot applicableNot applicableNot applicableNot applicable
ProcessorBroadcom RAID-on-chip, SAS3916 chipsetBroadcom RAID-on-chip, SAS3916 chipsetBroadcom RAID-on-chip, SAS3916 chipsetBroadcom RAID-on-chip, SAS3916 chipset

Broadcom RAID-on-chip, SAS3916 chipset

Battery backup unitYesYesYesYesYes
Local Key Management securityYesYesYesYesYes
Controller queue depth51205120512051205120
Secure enterprise key manager securityYesYesYesNoYes
Non-volatile cacheYesYesYesYesYes
Cache memory8 GB DDR4 2666 MT/s cache8 GB DDR4 2666 MT/s cache8 GB DDR4 2666 MT/s cache8 GB DDR4 2666 MT/s cache8 GB DDR4 2666 MT/s cache
Cache functionWrite back, write through, no read ahead, and read aheadWrite back, write through, no read ahead, and read aheadWrite back, write through, no read ahead, and read aheadWrite back, write through, no read ahead, and read aheadWrite back, write through, no read ahead, and read ahead
Max no of VDs in RAID mode240240240240240
Max no of disk groups240240240240240
Max no of VDs per disk group1616161616
Hot swap devices supportedYesYesYesYesYes
AutoconfigYesYesYesYesYes
Hardware XOR engineYesYesYesYesYes
Online capacity expansionYesYesYesYesYes
Dedicated and global hot spareYesYesYesYesYes
Drives types3 Gbps SATA, 6 Gbps SATA/SAS, and 12 Gbps SAS, Gen3 (8 GT/s), and Gen4 (16 GT/s) NVMe3 Gbps SATA, 6 Gbps SATA/SAS, and 12 Gbps SASGen3 (8 GT/s) and Gen4 (16 GT/s) NVMe3 Gbps SATA, 6 Gbps SATA/SAS, and 12 Gbps SAS, Gen3 (8 GT/s), and Gen4 (16 GT/s) NVMe3 Gbps SATA, 6 Gbps SATA/SAS, and 12 Gbps SAS
VD strip size64 KB, 128 KB, 256 KB, 512 KB, 1 MB64 KB, 128 KB, 256 KB, 512 KB, 1 MB64 KB, 128 KB, 256 KB, 512 KB, 1 MB64 KB, 128 KB, 256 KB, 512 KB, and 1 MB64 KB, 128 KB, 256 KB, 512 KB, 1 MB
PCIe supportGen 4Gen 4Gen 4Gen 4Gen 4
SAS/SATA maximum drive support
  • Without SAS Expander: 16 drives per controller
  • With SAS Expander: Limited by platform offerings
  • Without SAS Expander: 16 drives per controller
  • With SAS Expander: Limited by platform offerings
Not applicableLimited by platform: 8 drives per controller
  • Without SAS Expander: 8 drives per controller
  • With SAS Expander: Limited by platform offerings

NVMe maximum drive support
  • Without PCIe Switch Expander: 8 drives per controller
  • With PCIe Switch Expander: Limited by platform offerings
Not applicable
  • Without PCIe Switch Expander: 8 drives per controller
  • With PCIe Switch Expander: Limited by platform offerings
Limited by platform:8 drives per controllerNot applicable

Compare Storage Controllers

Model & Form Factors Interface Support PCI Support SAS Connectors Cache Memory Write Back Cache RAID Levels Max Drive Support RAID Support
H755N Front (NVMe Only) Gen3 (8 GT/s) NVMe
Gen4 (16 GT/s) NVMe
PCIe Gen 4 2x8 Internal 8GB NV Flash Backed Cache 0,1,5,6,10,50,60 8/per controller Hardware
H755 Adapter FH 3 Gbps SATA
6 Gbps SATA/SAS
12 Gbps SATA/SAS
Gen3 (8 GT/s) NVMe
Gen4 (16 GT/s) NVMe
PCIe Gen 4 2x8 Internal 8GB NV Flash Backed Cache 0, 1, 5, 6, 10, 50,60 16/controller
50 with SAS Expander
*Platform limit
Hardware RAID
H755 Adapter LP
H755 Front (SAS/SATA Only) 12Gb/s SAS
6Gb/s SAS/SATA
3Gb/s SAS/SATA
PCIe Gen 4 2x8 Internal 8GB NV Flash Backed Cache 0,1,5,6,10,50,60 16/controller
50 with SAS Expander
*Platform limit
Hardware RAID
H755 MX 3 Gbps SATA
6 Gbps SATA/SAS
12 Gbps SATA/SAS
Gen3 (8 GT/s) NVMe
Gen4 (16 GT/s) NVMe
PCIe Gen 4 1x8 Internal 8GB NV DDR4 2666MT/s Flash Backed Cache 0, 1, 5, 6, 10, 50,60 8, Limited by platform N/A
H750 Adapter FH 12Gb/s SAS
6Gb/s SAS/SATA
3Gb/s SAS/SATA
*SAS/SATA ONLY
PCIe Gen 4 1x8 Internal 8GB NV Flash Backed Cache 0,1,5,6,10,50,60 8/controller
50 with SAS Expander
*Platform limit
Hardware RAID
H750 Adapter LP
H355i Adapter FH 12Gb/s SAS
6Gb/s SATA
PCIe Gen 4 2x8 Internal No Cache No Cache 0,1,10 Up To 32 RAID
or 32 Non-RAID
Hardware
H355i Adapter LP
H355 Front 12Gb/s SAS
6Gb/s SATA
PCIe Gen 4 2x8 Internal No Cache No Cache 0,1,10 Up To 32 RAID
>or 32 Non-RAID
Hardware
HBA355 Front (internal) 12Gb/s SAS
6Gb/s SAS/SATA
3Gb/s SAS/SATA
PCIe Gen 4 2x8 Internal N/A N/A N/A 16/controller
50 with SAS Expander
*Platform limit
N/A
HBA355i Adapter FH 12Gb/s SAS
6Gb/s SAS/SATA
3Gb/s SAS/SATA
PCIe Gen 4 2x8 Internal N/A N/A N/A 16/controller
50 with SAS Expander
*Platform limit
N/A
HBA355i Adapter LP
HBA355e Adapter FH 12Gb/s SAS
6Gb/s SAS/SATA
3Gb/s SAS/SATA
PCIe Gen 4 4x4 External N/A N/A N/A 240 N/A
HBA355e Adapter LP
H350 Adapter FH 12Gb/s SAS
6Gb/s SATA
PCIe Gen 4 1x8 Internal No Cache No Cache 0,1,10 Up To 32 RAID
or 32 Non-RAID
Hardware
H350 Adapter LP
H350 Mini Mono 12Gb/s SAS
6Gb/s SATA
PCIe Gen 4 2x4 Internal N/A N/A 0, 1, 10 Without SAS Expander:
8 drives per controller

With SAS Expander:
Limited by platform offering
N/A
HBA350i Adapter (internal) 12Gb/s SAS
6Gb/s SAS/SATA
3Gb/s SAS/SATA
PCIe Gen 4 2x8 Internal N/A N/A N/A 16/controller
50 with SAS Expander
*Platform limit
N/A
HBA350 MX (internal) 12Gb/s SAS
6Gb/s SAS/SATA
3Gb/s SAS/SATA
PCIe Gen 4 1x8 Internal N/A N/A N/A 8
*Platform limit
N/A

Shipping Information

Express Computer Systems can ship to virtually any address in the world and provides you with the best shipping rates possible. Cost of shipping varies depending on what service you require, your destination and size of the shipment. Shipping costs will be calculated separately from your order and billed to you post purchase. In the notes section of your order please provide us with your preferred shipping method and we will get back to you.

Custom configured orders ship within 2 business days after all required products are in stock.

Please allow 3 business days for products that are not in stock to arrive to our facility in Irvine, California.

Domestic Shipments
  • Standard Ground
    • Shipping time: 2-7 business days
    • Order processing time: 0-3 business days
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    • Excludes weekends, holidays or weather delays.
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    • Order processing time: 0-3 business days
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International Shipments
  • International Economy
    • Shipping time: 4-6 business days
    • Order processing time: 0-3 business days
    • Delivery time after order is placed: 5-9 business days
    • Excludes weekends, holidays or weather delays.
  • International Priority
    • Shipping time: 1-3 business days
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For more information on shipping view our Shipping Information page or send us a message

ECS Warranty Information

Express Computer Systems (ECS) provides a 1 year parts warranty against defects in material or workmanship that will affect the products functionality. All refurbished items are tested prior to shipping to guarantee up-time upon arrival. If you are having issues with an item we provided please Contact Us and we will do our best to assist you.

What does our ECS warranty cover?
We offer 1 year warranty as standard and additional years can be added to fit your needs. Please reach out to a sales associate via the Contact Us page or live chat for more information on extended coverage options. During the coverage period if your product fails we will offer a Next Business Day replacement. If we are unable to replace the product we will refund its original selling price. Shipping costs and tax are not refundable. Express Computer Systems retains the right to decide whether the goods will be replaced or refunded.

What is not covered by our warranty?
Our warranty does not cover any problem caused by the following conditions:

  1. accidents; misuse; carelessness; electrostatic discharge; shock; temperature or humidity beyond the specifications of the product; improper installation; operation; modification;
  2. any improper use that contravenes the instructions in the user manual;
  3. problems caused by other equipment. Our warranty is void if the product is returned with damaged, removed, counterfeit labels, or any modifications (including any component or external cover removal). Our warranties do not cover data loss or damages to any other equipment. In addition, our warranties do not cover incidental damages, consequential damages, or costs related to data recovery, removal, and installation.

Important notes:

  • Please ask for additional warranty/coverage that you may require in addition to the standard 1 ECS warranty prior to final purchase. Requesting additional warranty after your purchase can be denied.
  • FREE technical support is provided on purchased items via phone, email, or live chat.

About Express Computer Systems

Express Computer Systems is committed to transforming our customers’ IT infrastructure with high quality products at affordable costs. Our sales reps and customer support engineers understand our customers rely heavily on advanced technology to run their business but need to do so without breaking the bank.

We specialize in building custom server configurations, custom storage solutions, networking solutions, and components from top manufacturers including HPE, Dell, Cisco, NetApp, Dell EMC, HPE Nimble and many others.

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