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Black 240-pin DDR3L UDIMM module with gold contacts and no heat spreader

OWC

OWC 4GB DDR3L 1866 CL13 ECC Unbuffered UDIMM 1.35V desktop RAM

SKU CH-8M3E-RZJNR

A 4 GB DDR3L 1866 CL13 ECC unbuffered UDIMM running at 1.35 V for desktops, workstations or servers

  • Capacity4GB
  • SpeedDDR3L 1866 (PC3L 14900)
  • CAS LatencyCL13
  • Voltage1.35V
  • ECCYes
  • Buffered/RegisteredUnbuffered

Capacity 4GB

  • ECC protection safeguards data integrity with built-in error correction
  • 35V DDR3L operation reduces power draw versus standard DDR3
  • 1866MHz CL13 timing delivers responsive throughput for workstation workloads
  • Single 4GB UDIMM adds capacity without occupying extra slots
  • JEDEC and RoHS compliance ensures warranty-safe installation

OWC 4GB DDR3L 1866 ECC UDIMM

This module is a single 4GB DDR3L 1866 PC3L-14900 CL13 unbuffered ECC UDIMM built for select desktops, workstations and servers that require error-correcting memory. It operates at 1.35 volts and follows JEDEC-standard specifications for a warranty-safe upgrade.

240-pin DDR3L form factor and black PCB

The stick uses the standard 240-pin DDR3L DIMM layout with no heat spreader and no LEDs, so it fits into ordinary desktop or server memory slots without extra clearance concerns. Unbuffered ECC organisation means the memory controller handles error correction directly, which suits many workstation and NAS platforms.

Check your board for DDR3L 1.35V unbuffered ECC

Verify that the motherboard or system accepts DDR3L at 1.35 volts and can run unbuffered ECC UDIMMs at 1866 MT/s with CL13 timing. Some platforms only support registered ECC or require 1.5 volt DDR3, so consult the vendor memory-qualified list before ordering.

Ciri-ciri utama

  • ECC protection safeguards data integrity with built-in error correction
  • 35V DDR3L operation reduces power draw versus standard DDR3
  • 1866MHz CL13 timing delivers responsive throughput for workstation workloads
  • Single 4GB UDIMM adds capacity without occupying extra slots
  • JEDEC and RoHS compliance ensures warranty-safe installation

Spesifikasi

BrandOWC
Part Number1E8T31R804GB
Capacity4GB
SpeedDDR3L 1866 (PC3L 14900)
CAS LatencyCL13
Voltage1.35V
ECCYes
Buffered/RegisteredUnbuffered
ColorBlack
Heat SpreaderNo
Recommend UseWorkstations, Servers, and NAS Systems
LED ColorNone

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What speed does the DDR3L 1866 interface actually run at?

The module operates at 1866 MHz with a CAS latency of CL13, matching the PC3L-14900 rating.

What physical slot and pin count does this 240-pin UDIMM need?

It fits a standard 240-pin DDR3 desktop DIMM socket and uses the 1Rx8 layout.

How is the module installed and which step is often missed?

Power off, open the case, align the notch, press firmly until both retention clips click, then verify 1.35 V operation in BIOS.

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