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Green 240-pin DDR3 server memory module with black chips

OWC

OWC 1R3D32R408GB 8GB DDR3 1333 ECC Registered RDIMM server RAM

SKU CH-XWX6-9TAM5

8GB DDR3 1333 ECC registered RDIMM module upgrades compatible Lenovo servers with JEDEC-standard reliability

  • Total capacity8 GB
  • Rated speedDDR3 1333 (PC3 10600)
  • CAS latencyCL9
  • Rated voltage1.5 V
  • Buffer typeRegistered
  • Memory rank2Rx4
  • ECC registered design protects data integrity in servers
  • 8 GB DDR3 1333 MHz CL9 boosts multitasking throughput
  • Matches Lenovo part numbers 49Y1446 57Y4427 67Y0017 67Y1464
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • 240-pin 1.5 V 2Rx4 registered module fits compatible slots

Server ECC RDIMM upgrade

This OWC module is an 8 GB DDR3 1333 ECC Registered DIMM built for Lenovo workstations and servers. It replaces part numbers 49Y1446, 57Y4427, 67Y0017 and 67Y1464 with identical specifications. The 240-pin form factor and registered buffer ensure signal integrity in multi-module configurations.

Sustained error-corrected throughput

Registered buffering reduces electrical load on the memory controller so the module maintains CL9 timing across full DIMM populations. ECC circuitry detects and corrects single-bit errors during continuous operation without halting the system. JEDEC-standard 1.5 V operation keeps power draw predictable under long-running workloads.

Registered buffer requirement

This module will not function in systems that accept only unbuffered UDIMMs. Desktop motherboards and consumer laptops cannot use registered memory. Verify the platform explicitly supports DDR3 ECC RDIMM before purchase.

How it compares

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

Price $20.99
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 $2.62 per GB
Cheaper than about 91% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameOWC
Part number1R3D32R408 GB
Total capacity8 GB
Product type240-Pin DDR3 ECC RDIMM
Performance
Rated speedDDR3 1333 (PC3 10600)
Memory
CAS latencyCL9
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.5 V

Questions about this item

How much power does the 1.5V DDR3 1333 module draw when the server runs continuously?

Each module operates at 1.5V. Total power depends on how many DIMMs are populated and the server's memory controller efficiency.

What must the motherboard provide to use this 240-pin ECC Registered RDIMM?

A 240-pin DDR3 slot that supports ECC Registered memory and the PC3-10600 speed grade.

Can this CL9 2Rx4 stick sit beside older DDR3 modules in the same server?

OWC recommends matching capacity, speed and manufacturer for optimal performance; mixing different ranks or timings may cause instability.

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