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Green rectangular circuit board with black memory chips and gold edge connectors

OWC

OWC 8GB DDR3 1333 ECC Unbuffered UDIMM desktop RAM

SKU CH-JFE4-DSJ1W

An 8 GB DDR3 1333 ECC unbuffered UDIMM for desktop, workstation and server upgrades

  • Total capacity8 GB
  • Rated speedDDR3 1333 (PC3 10600)
  • CAS latencyCL9
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Recommended forWorkstations, Servers, and NAS Systems

Capacity 8GB

  • Error-correcting ECC protects data integrity in critical workloads
  • 8 GB capacity adds headroom for multitasking and large files
  • DDR3 1333 speed matches PC3-10600 system requirements
  • 5 V standard voltage ensures broad platform compatibility
  • 240-pin unbuffered UDIMM fits desktop, workstation and server slots

Single 8 GB DDR3 ECC module

This OWC UDIMM provides 8 GB of DDR3 memory rated at 1333 MHz with CL9 latency and 1.5 V operation. It uses a 240-pin unbuffered ECC design built to JEDEC and RoHS standards. The module carries a limited lifetime warranty and is intended for desktop workstations, servers and NAS systems.

Suited for ECC-capable DDR3 platforms

The module fits systems that accept unbuffered ECC DDR3 UDIMMs, such as older workstation, server or NAS boards. It is not appropriate for platforms that require registered memory or non-ECC modules only. Buyers should verify their motherboard documentation for ECC UDIMM support before purchasing.

Unbuffered ECC with CL9 timing

The decisive specification is the unbuffered ECC architecture combined with CL9 timing at 1333 MHz. This combination determines whether the module will initialise correctly on a given board. Match this profile exactly to the system’s qualified-vendor list to ensure compatibility.

How it compares

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

Price $27.99
Cheaper than about 80% of the 3,647 comparable items (median $90.99).
Total capacity 8 GB
Lower than about 60% of the 3,251 comparable items (median 16 GB).
Price per GB $3.50 per GB
Cheaper than about 88% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameOWC
Part number1E3D32R808 GB
Total capacity8 GB
Product colorBlack
Performance
Rated speedDDR3 1333 (PC3 10600)
Memory
CAS latencyCL9
ECC supportYes
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Recommended forWorkstations, Servers, and NAS Systems
More details
LED lightingNone

Other versions of this model

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Questions about this item

Does my motherboard need a 240-pin DDR3 slot that accepts 1.5 V unbuffered ECC modules?

Yes — the module is a 240-pin DDR3 DIMM rated at 1.5 V with ECC unbuffered operation, so the board must provide that exact slot type and voltage.

Will this 1333 MHz CL9 stick run reliably if I keep slower DDR3 modules already installed?

The memory will down-clock to the lowest common speed and tightest timings among all installed modules; stability depends on the motherboard handling mixed speeds correctly.

How can I verify the stick is detected at its rated 1333 MHz with ECC active after installation?

Enter the system BIOS or UEFI and confirm the memory frequency reads 1333 MHz and the ECC status shows enabled; OS-level tools such as dmidecode or CPU-Z will report the same values.

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