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Green printed circuit board with black memory chips and gold edge connectors

OWC

OWC 8GB DDR3L 1600 PC3L-12800 CL11 1Rx4 240-pin 1.35V ECC RDIMM 1R6T31R408GB

SKU CH-5116-515X7

8 GB DDR3L 1600 MHz ECC registered RDIMM for select HP ProLiant Gen8 servers

  • Total capacity8 GB
  • Rated speedDDR3L 1600 (PC3L 12800)
  • CAS latencyCL11
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • Memory rank1Rx4

Capacity 8GB

  • ECC registered design protects data integrity in servers
  • DDR3L 1600 speed with CL11 latency boosts throughput
  • Low 1.35 V voltage cuts power draw and heat
  • Single 8 GB 1Rx4 module simplifies capacity upgrades
  • Validated for HP ProLiant BL420c, BL460c, BL465c, BL660c and DL160 Gen8

Server memory upgrade

This 8 GB DDR3L registered ECC DIMM is built for HP ProLiant Gen8 blade and rack servers. It targets administrators who need to expand memory capacity in supported systems without replacing the platform. The module will not work in standard desktop computers or with unbuffered memory.

Registered ECC 240-pin design

The 240-pin DDR3L form factor fits the memory slots of the listed ProLiant models. Registered buffering and ECC support help maintain data integrity under sustained workloads. Operation at 1.35 V reduces power draw compared with standard DDR3 modules. No heat spreader is included.

Direct HP part replacement

The module replaces HP part numbers 731765B21, 731765B211 and 735302001, simplifying procurement for existing fleets. It is a single 8 GB stick, so buyers needing larger per-slot capacities or different rank configurations must look elsewhere.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $21.99
Cheaper than about 89% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $2.75 per GB
Cheaper than about 91% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameOWC
Part number1R6T31R408 GB
Total capacity8 GB
Product type240-Pin DDR3L ECC RDIMM
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Memory
CAS latencyCL11
ECC supportYes
Buffer typeRegistered
Memory rank1Rx4
Heat spreaderNo
Power
Rated voltage1.35 V
Compatibility
Compatible systemsHP ProLiant BL420c Gen8
HP ProLiant BL460c Gen8
HP ProLiant BL465c Gen8
HP ProLiant BL660c Gen8
HP ProLiant DL160 Gen8

Other versions of this model

5 more in the same range

Questions about this item

Does the DDR3L 1600 PC3L-12800 interface limit speed to 1600 MHz in these ProLiant Gen8 servers?

Yes, the module runs at DDR3L 1600 (PC3L-12800) CL11 1.35 V and the server memory controller caps the bus at 1600 MHz.

Will the 240-pin ECC registered DIMM fit the BL460c Gen8 blade DIMM slots?

The 240-pin DDR3L RDIMM matches the Gen8 blade memory slots; it is listed compatible with BL420c, BL460c, BL465c, BL660c and DL160 Gen8.

What is the correct installation sequence for this registered ECC module in a Gen8 server?

Power down, open the chassis, align the module key with the slot, press firmly until both latches click, then power on and verify the new capacity in the BIOS.

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