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Two green DDR3L ECC RDIMM modules with gold contacts

OWC

OWC 16GB (2x8GB) DDR3L 1600 CL11 240-pin ECC RDIMM memory upgrade

SKU CH-8272-SVTZ5

16 GB DDR3L 1600 ECC registered DIMM kit for Supermicro X9 server boards

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR3L 1600 (PC3L 12800)
  • CAS latencyCL11
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • Memory rank1Rx4

Capacity 16GB (2 x 8GB)

  • ECC registered design protects data integrity in servers
  • 16 GB dual-channel kit (2 × 8 GB) expands memory capacity
  • DDR3L 1600 CL11 at 1.35 V reduces power draw
  • 240-pin RDIMM form factor fits Supermicro X9 series boards
  • Replaces Supermicro MEMDR380L part numbers for direct upgrade

ECC Registered DDR3L Kit

This kit provides 16 GB of DDR3L ECC registered memory in two 8 GB modules. It is built for Supermicro X9DRL, X9DRT, X9DRW, X9DRX+ and X9QR7 motherboards in workstation and server roles. The modules run at 1600 MT/s with a CL11 latency at 1.35 V. They are designed to extend the life of existing infrastructure or support new server builds.

Suited for registered ECC slots only

The memory fits servers, workstations, NAS units and routers that accept 240-pin DDR3L registered DIMMs. It will not work in standard desktop boards that require unbuffered non-ECC modules. Mixing with unbuffered memory is not supported. Buyers who need unbuffered consumer memory should look at a different product line.

Steady throughput under load

Registered buffering and ECC correction maintain data integrity during continuous multi-threaded workloads. The 1.35 V operation reduces thermal stress compared with higher-voltage DDR3 modules. Sustained performance depends on the platform memory controller and channel population. Modules without heat spreaders rely on chassis airflow for cooling.

How it compares

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

Price $44.99
Cheaper than about 79% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB (2 × 8 GB)
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $2.81 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 number1R6T31R4016P
Total capacity16 GB (2 × 8 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 systemsSupermicro Motherboard X9DRL Series
Supermicro Motherboard X9DRT Series
Supermicro Motherboard X9DRW Series
Supermicro Motherboard X9DRX+ Series
Supermicro Motherboard X9QR7 Series

Other versions of this model

5 more in the same range

Questions about this item

Which Supermicro motherboard series must I already have for this DDR3L 1600 ECC RDIMM kit to be compatible?

This kit is validated for Supermicro X9DRL, X9DRT, X9DRW, X9DRX+ and X9QR7 series motherboards.

Can I keep my existing unbuffered DDR3L modules and add these registered 1Rx4 DIMMs alongside them?

No. The manufacturer highlights state that registered ECC memory cannot be mixed with unbuffered memory.

After installation, how do I confirm the kit is running at the rated PC3L-12800 CL11 1.35 V settings?

Check the BIOS or a system-information tool such as CPU-Z; it should report DDR3L 1600 MHz, CL11 timings and 1.35 V operation.

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