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Green 240-pin DDR3L ECC registered DIMM module with gold edge contacts

OWC

OWC 8GB DDR3L 1600 ECC Registered RDIMM 1Rx4 1.35V server RAM

SKU CH-BRHM-0N04T

8 GB DDR3L 1600 ECC registered RDIMM for servers and workstations, matching HP 731765 and 735302 part numbers

  • Total capacity8 GB
  • Rated speedDDR3L 1600 (PC3L 12800)
  • CAS latencyCL11
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • Memory rank1Rx4
  • 8 GB capacity extends server memory headroom
  • DDR3L 1600 CL11 speed matches HP 731765B21 specs
  • ECC registered design protects data integrity in workloads
  • 35 V DDR3L voltage reduces power draw versus standard DDR3
  • JEDEC and RoHS compliant for warranty-safe upgrades

Server-grade ECC RDIMM

This 8 GB DDR3L registered DIMM delivers error-correcting memory for workstations, servers and NAS systems that require registered modules. It operates at 1.35 V with a CL11 latency at 1600 MHz.

240-pin registered slot requirement

The module fits a 240-pin DDR3L RDIMM slot and must not be mixed with unbuffered memory. It replaces HP part numbers 731765B21, 731765B211 and 735302001 in compatible platforms.

Sustained data integrity under load

ECC registration maintains data accuracy during continuous operation in multi-user or virtualised workloads. JEDEC and RoHS compliance ensures stable voltage and timing across extended duty cycles.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $21.99
Cheaper than about 94% of the 6,523 comparable items (median $188.99).
Total capacity 8 GB
Lower than about 80% of the 6,064 comparable items (median 32 GB).
Price per GB $2.75 per GB
Cheaper than about 91% of the 6,064 comparable items (median $7.25 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

Questions about this item

What is the CAS latency of this DDR3L 1600 module?

The module runs at CL11 latency as specified by the JEDEC standard for PC3L-12800 speed.

How much power does the 1.35 V registered DIMM draw under continuous load?

Operating at 1.35 V lowers power draw compared to standard 1.5 V DDR3, and the registered buffer adds only a small overhead for signal integrity.

Which slot type must the motherboard provide for this 240-pin RDIMM?

The board needs a DDR3 240-pin DIMM slot that supports ECC registered memory; standard desktop boards with unbuffered-only slots will not work.

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