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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

  • Capacity8GB (2 x 4GB)
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Voltage1.35V
  • ECCYes
  • Buffered/RegisteredUnbuffered

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.

Highlights

  • 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

Specifications

BrandOWC
Part Number1E6T32R8008P
Capacity8GB (2 x 4GB)
SpeedDDR3L 1600 (PC3L 12800)
CAS LatencyCL11
Voltage1.35V
ECCYes
Buffered/RegisteredUnbuffered
Multi-channel KitDual Channel Kit
ColorBlack
Heat SpreaderNo
Recommend UseWorkstations, Servers, and NAS Systems
LED ColorNone

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

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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