We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Green 240-pin DDR3L RDIMM module with black memory chips, no heat spreader

OWC

OWC 8GB DDR3L 1600 ECC Registered RDIMM 1Rx4 1.35V 240-pin memory upgrade

SKU CH-PDN5-BSKH4

8GB DDR3L 1600 ECC registered RDIMM for HP ProLiant SL2500, SL250s Gen8, SL270s Gen8, SL4545 G7 and WS460c 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 at 1.35V lowers power draw
  • Single 8GB 1Rx4 module adds capacity simply
  • Tested for HP ProLiant SL2500, SL250s Gen8, SL270s Gen8, SL4545 G7, WS460c Gen8
  • Replaces HP part numbers 731765B21, 731765B211, 735302001

Server ECC RDIMM Upgrade

This 8GB DDR3L registered DIMM targets administrators maintaining HP ProLiant SL2500, SL250s Gen8, SL270s Gen8, SL4545 G7 and WS460c Gen8 servers. It replaces HP part numbers 731765B21 and 735302001 for direct compatibility. The module is not suitable for standard desktop motherboards or unbuffered memory configurations.

Capacity and Headroom

The single 8GB rank operates at DDR3L 1600 with CL11 latency and 1.35V, adding registered ECC capacity to supported multi-socket platforms. Headroom scales with the number of populated slots the server board provides; the module itself does not increase per-channel bandwidth beyond the rated PC3L-12800 speed. Workloads requiring larger per-DIMM densities or faster transfer rates will exceed what this stick delivers.

JEDEC Compliant Build

Each module is validated to JEDEC and RoHS standards in OWC's in-house lab before shipment. The bare green PCB without a heat spreader keeps the 240-pin form factor compatible with dense server DIMM cages. No additional software, cables or mounting hardware are bundled; the upgrade consists solely of the memory module itself.

How it compares

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

Price $22.99
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 $2.87 per GB
Cheaper than about 90% 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 SL2500
HP ProLiant SL250s Gen8
HP ProLiant SL270s Gen8
HP ProLiant SL4545 G7
HP ProLiant WS460c Gen8

Other versions of this model

5 more in the same range

Questions about this item

Will this 240-pin DDR3L 1600 RDIMM run in a slot that currently holds a 1.5 V DDR3 unbuffered DIMM?

No, this module is 1.35 V ECC Registered and cannot be mixed with unbuffered memory; the system requires matching voltage and registered type in every populated slot.

How can I confirm the module is detected at the correct speed and ECC mode after installation?

Check the server BIOS or iLO memory summary; it should list the DIMM as 8 GB, 1600 MT/s, ECC enabled, and Registered.

What ships with the module and is any extra hardware needed?

The box contains the single 8 GB DDR3L 1600 PC3L-12800 CL11 1Rx4 240-pin 1.35 V ECC Registered RDIMM; no additional parts or cables are required for installation.

More in Model-Specific Memory Upgrades

Similar items