Home / All / Dell PERC 10 H840 12Gb SAS Low Profile RAID Controller | 70RV1
SKU: 70RV1

Dell PERC 10 H840 12Gb SAS Low Profile RAID Controller | 70RV1

Dell

| Adapter
$475.00

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Quick Specs

ModelsDrive Types

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

PCI Support

PCI-e 3.0

SAS Connectors

2x4 External

Cache Memory

8 GB NV

Write Back Cache

Flash Backed Cache

RAID Levels

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

Max Drive Support

255

RAID Support

Hardware

Part Numbers:

  • 70RV1
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.
Compatible With:
  • Dell R440
  • Dell R450
  • Dell R540
  • Dell R550
  • Dell R640
  • Dell R6415
  • Dell R650
  • Dell R650xs
  • Dell R6515
  • Dell R6525
  • Dell R740xd
  • Dell R7415
  • Dell R7425
  • Dell R750
  • Dell R750xa
  • Dell R750xs
  • Dell R7515
  • Dell R7525
  • Dell R840

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Spec Sheet 4

Models Drive Types PCI Support SAS Connectors Cache Memory Write Back Cache RAID Levels Max Drive Support RAID Support
H840 Adapter FH 12 Gb/s SAS
6 Gb/s SATA		 PCIe 3.1 2x4 External 8 GB NV Flash Backed Cache 0,1,5,6,10,50,60 255 Hardware
H840 Adapter LP
H745P MX Adapter 12 Gb/s SAS
6 Gb/s SATA/SAS
3 Gb/s SATA		 PCIe 3 Modular Enclosure 8 GB NV Flash Backed Cache 0,1,5,6,10,50,60 - Hardware
H740P FH 12 Gb/s SAS
6 Gb/s SATA		 PCIe 3.1 2x4 External 8 GB NV Flash Backed Cache 0,1,5,6,10,50,60 32 Hardware
H740P LP
H740P Mini Mono 12 Gb/s SAS
6 Gb/s SATA		 PCIe 3.1 2x4 External 8 GB NV Flash Backed Cache 0,1,5,6,10,50,60 32 Hardware
S150 Software RAID 6 Gb/s SATA/NVMe PCIe N/A No Cache No Cache 0,1,5,10 30* Software RAID Windows and Linux
S140 Software RAID 6 Gb/s SATA/NVMe N/A N/A No Cache No Cache 0,1,5,10 16* Software RAID Windows and Linux
12 Gbps SAS Ext. HBA 12 Gb/s SAS PCIe 3.0 2x4 External No Cache No Cache No RAID Pass-Thru Only 255 No RAID Pass-Thru Only
H745 Adapter 12 Gb/s SAS
6 Gb/s SATA/SAS
3 Gb/s SATA		 PCIe 3 2x8 Internal 4 GB NV Flash Backed Cache 0,1,5,6,10,50,60 240 Hardware
H745 Front 12 Gb/s SAS
6 Gb/s SATA/SAS
3 Gb/s SATA		 PCIe 3 2x8 Internal 4 GB NV Flash Backed Cache 0,1,5,6,10,50,60 240 Hardware
H345 FH 12 Gb/s SAS
6 Gb/s SATA/SAS
3 Gb/s SATA		 PCIe 3 2x8 Internal No Cache No Cache 0,1,10 63 Hardware
H345 LP
H345 Front 12 Gb/s SAS
6 Gb/s SATA/SAS
3 Gb/s SATA		 PCIe 3 2x8 Internal No Cache No Cache 0,1,10 63 Hardware
*The S150 controller supports up to 8 SATA disks (HDD and SSD) depending on system backplane configuration, supports up to 30 NVMe PCIe SSDs.
*The S140 controller supports up to 16 physical disks (SATA + NVMe) depending on system backplane configuration except the PowerEdge R840 and PowerEdge R940xa supports up to 30 (SATA + NVMe).

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