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Eight green DDR3L server DIMMs in a row, 240-pin, no heat spreaders

OWC

OWC 128GB (8x16GB) DDR3L 1066 PC3L-8500 CL7 ECC Registered Server RAM

SKU CH-CWM2-NMFJX

ECC registered DDR3L kit supplying 128 GB across eight 16 GB modules at 1066 MHz CL7 1.35 V for servers and workstations

  • Total capacity128 GB (8 × 16 GB)
  • Rated speedDDR3L 1066 (PC3L 8500)
  • CAS latencyCL7
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 128GB (8 x 16GB)

Rank 2Rx4

  • 128 GB total capacity from eight 16 GB modules
  • DDR3L 1066 MHz CL7 speed for responsive server workloads
  • ECC registered design detects and corrects data errors
  • Low 1.35 V DDR3L voltage reduces power draw
  • 240-pin RDIMM form factor fits compatible workstations and servers

Server memory kit

This OWC kit supplies 128GB of DDR3L ECC registered memory across eight 16GB modules. It is built for workstations, servers and NAS systems that require registered DIMMs with error correction. The modules run at 1066MHz with a CAS latency of CL7 and operate at 1.35V.

Compatibility checks

Your system must accept 240-pin DDR3L registered DIMMs and support ECC registered memory. Unbuffered or non-ECC modules cannot be mixed with this kit. Verify that the motherboard or server platform lists PC3L-8500 1066MHz CL7 registered memory in its qualified vendor list before ordering.

Ideal use and limits

This kit suits administrators upgrading or repairing DDR3L-based servers, workstations or compatible NAS and router platforms that need registered ECC memory. It is not for standard desktop PCs or laptops that only accept unbuffered non-ECC modules. Buyers who need higher speeds, different voltages or unbuffered memory should look at other products.

How it compares

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

Price $371.99
Pricier than about 65% of the 6,523 comparable items (median $188.99).
Total capacity 128 GB (8 × 16 GB)
Higher than about 90% of the 6,064 comparable items (median 32 GB).
Price per GB $2.91 per GB
Cheaper than about 90% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameOWC
Part number8R5T32R4128K
Total capacity128 GB (8 × 16 GB)
Product type240-Pin DDR3L ECC RDIMM
Performance
Rated speedDDR3L 1066 (PC3L 8500)
Memory
CAS latencyCL7
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Kit configurationDual Channel Kit
Heat spreaderNo
Power
Rated voltage1.35 V

Other versions of this model

5 more in the same range

Questions about this item

What comes in the 128GB kit and do I need anything else to install it?

The kit contains eight 16GB 240-pin DDR3L ECC Registered DIMMs. No extra parts are required for installation in a compatible server or workstation.

How do I choose between the listed capacities for this DDR3L 1066 kit?

This product is sold only as a matched 128GB kit of eight 16GB modules. Select this kit when your system needs the full 128GB capacity across eight slots.

What does the PC3L-8500 1066MHz CL7 rating deliver in a real server?

The modules run at 1066MHz with CAS latency 7 at 1.35V, providing JEDEC-standard DDR3L bandwidth and error-correcting registered operation for compatible workstations, servers or NAS systems.

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