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Four green DDR3L server DIMMs with gold contacts and black chips

OWC

OWC 128GB (4x32GB) DDR3L 1600 CL11 ECC Registered RDIMM memory upgrade

SKU CH-FSFC-JRR6C

128 GB DDR3L ECC registered server memory kit for HP ProLiant Gen8 systems

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR3L 1600 (PC3L 12800)
  • CAS latencyCL11
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • Memory rank4Rx4

Capacity 128GB (4 x 32GB)

  • ECC registered design protects data integrity in server workloads
  • 128GB total capacity across four 32GB modules expands memory headroom
  • DDR3L 1600 speed at 1.35V reduces power draw versus standard DDR3
  • Qualified for HP ProLiant DL380e Gen8 DL560 Gen8 SL4540 Gen8
  • JEDEC and RoHS compliant for warranty-safe upgrades

Server-grade DDR3L ECC RDIMM kit

This 128GB kit contains four 32GB DDR3L 1600 CL11 registered DIMMs built for HP ProLiant DL380e Gen8, DL560 Gen8 and SL4540 Gen8 servers. The modules run at 1.35V and provide error-correcting code protection for data integrity in enterprise workloads. They are designed for workstation and server platforms only and will not function in standard desktop computers. Mixing these registered modules with unbuffered memory is not supported.

Straightforward 240-pin installation

Each module uses the standard 240-pin DDR3L form factor and slots directly into the compatible ProLiant memory sockets without tools. The kit is JEDEC-compliant and tested to meet OEM specifications, so firmware recognition is immediate on supported systems. Installers must populate slots according to the server's population rules and avoid mixing registered and unbuffered DIMMs, which prevents boot. No heat spreaders are present, so airflow clearance follows the chassis design.

Steady throughput under sustained load

Registered buffering and ECC maintain signal integrity and correct single-bit errors during continuous operation, keeping data consistent across long compute jobs. The 1.35V DDR3L voltage reduces power draw compared to standard DDR3, helping thermal stability when all channels are fully populated. Performance scales with the platform's memory controller limits, delivering reliable bandwidth for virtualisation, database and file-serving tasks over extended periods.

How it compares

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

Price $353.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $2.77 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 number1R6T34R4128S
Total capacity128 GB (4 × 32 GB)
Product type240-Pin DDR3L ECC RDIMM
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Memory
CAS latencyCL11
ECC supportYes
Buffer typeRegistered
Memory rank4Rx4
Heat spreaderNo
Power
Rated voltage1.35 V
Compatibility
Compatible systemsHP ProLiant DL380e Gen8
HP ProLiant DL560 Gen8
HP ProLiant SL4540 Gen8

Other versions of this model

5 more in the same range

Questions about this item

How can I confirm the 128GB kit is running at 1600MHz with CL11 after installation?

Check the BIOS memory information or run a tool like CPU-Z; it should report DDR3L 1600 (PC3L-12800) at 1.35V with CAS latency 11 and ECC registered status.

What is included in the box and do I need anything else for my HP ProLiant DL380e Gen8?

The kit contains four 32GB 240-pin DDR3L ECC registered RDIMM modules; no extra parts are required for the listed HP ProLiant servers.

Which capacity version should I choose if my SL4540 Gen8 has 16 DIMM slots and I want maximum memory?

Each 128GB kit provides 4 x 32GB modules; populate all 16 slots with four kits to reach the platform's supported maximum.

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