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Two black DDR3L UDIMM sticks, no heat spreader, 240-pin, 1.35V, 8GB kit

OWC

OWC 8GB DDR3L 1600 ECC Unbuffered UDIMM 2x4GB desktop RAM

SKU CH-869B-R7M63

Dual-channel 8 GB DDR3L 1600 ECC unbuffered UDIMM kit runs at 1.35 V with CL11 latency

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3L 1600 (PC3L 12800)
  • CAS latencyCL11
  • Rated voltage1.35 V
  • Buffer typeUnbuffered
  • Kit configurationDual Channel Kit

Capacity 8GB (2 x 4GB)

  • ECC protection guards data integrity with built-in error correction
  • Dual-channel 8GB kit (2x4GB) boosts multitasking headroom
  • DDR3L 1600MHz CL11 at 1.35V lowers power draw
  • JEDEC-standard compliant modules ensure warranty-safe upgrades
  • 240-pin unbuffered UDIMM fits select desktops, workstations and servers

Capacity and kit layout

This OWC kit delivers 8 GB of DDR3L memory in a matched pair of 4 GB modules. The dual-channel configuration suits workstations, servers and NAS units that require error-correcting code support. Unbuffered 240-pin DIMMs slot directly into standard desktop sockets. The 1.35 V operating voltage keeps power draw low for always-on systems.

Build integration and system headroom

The modules follow JEDEC PC3L-12800 timing at CL11, so they work with any board that accepts DDR3L 1600 unbuffered ECC DIMMs. No heat spreaders are fitted, leaving clearance for oversized CPU coolers or dense rack chassis. Installing the pair activates dual-channel bandwidth, freeing the memory controller for heavier multitasking workloads. RoHS compliance ensures the upgrade is warranty-safe for OEM platforms.

Sustained-load behaviour

Continuous operation at 1600 MHz and 1.35 V is validated through OWC in-house testing for long-term stability. ECC circuitry detects and corrects single-bit errors on the fly, preventing data corruption during extended compute runs. The unbuffered design adds minimal latency, keeping response consistent when all slots are populated. Limited lifetime coverage backs the modules for the service life of the host system.

How it compares

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

Price $33.99
Cheaper than about 76% of the 3,647 comparable items (median $90.99).
Total capacity 8 GB (2 × 4 GB)
Lower than about 60% of the 3,251 comparable items (median 16 GB).
Price per GB $4.25 per GB
Cheaper than about 82% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameOWC
Part number1E6T32R8008P
Total capacity8 GB (2 × 4 GB)
Product colorBlack
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Memory
CAS latencyCL11
ECC supportYes
Buffer typeUnbuffered
Kit configurationDual Channel Kit
Heat spreaderNo
Power
Rated voltage1.35 V
Compatibility
Recommended forWorkstations, Servers, and NAS Systems
More details
LED lightingNone

Other versions of this model

5 more in the same range

Questions about this item

Will these 240-pin ECC UDIMMs fit a standard desktop motherboard?

They use the 240-pin DDR3L form factor; the board must support unbuffered ECC DDR3L at 1.35 V and 1600 MHz.

Can I add this kit alongside non-ECC modules already installed?

Most consumer boards disable ECC when mixed with non-ECC DIMMs, so you would lose error correction.

Is the dual-channel kit ready to install without BIOS changes?

JEDEC-standard SPD at 1600 MHz CL11 1.35 V lets most compatible boards train automatically.

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