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OWC

OWC 16GB DDR3L 1600 CL11 ECC Registered 2Rx4 240-pin 1.35V memory upgrade

SKU CH-1HSS-BEFST

16 GB DDR3L ECC registered DIMM for Dell PowerEdge M420, M520, M620, M820 and M915 servers

  • Capacity16GB
  • Type240-Pin DDR3L ECC RDIMM
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Voltage1.35V
  • ECCYes
  • ECC registered design protects data integrity in servers
  • 16 GB DDR3L module runs at 1600 MHz CL11
  • Low 1.35 V DDR3L voltage reduces power draw
  • Qualified for Dell PowerEdge M420 M520 M620 M820 M915
  • Replaces Dell part numbers A6761613 A6994465 A7515505 A8255125 SNP20D6FC/16G

16 GB DDR3L ECC RDIMM for Dell PowerEdge

This 16 GB DDR3L 1600 CL11 registered DIMM is built for Dell PowerEdge M420, M520, M620, M820 and M915 servers. It delivers ECC error correction and registered buffering for stable operation in multi-module configurations. The module runs at 1.35 V and uses a 240-pin form factor. It replaces several Dell part numbers including A6761613 and SNP20D6FC/16G.

Check your server before ordering

Verify that your PowerEdge model is listed above and that the system accepts DDR3L registered ECC memory. The module cannot be mixed with unbuffered DIMMs and will not work in standard desktop platforms. Confirm the memory slot population rules in the server documentation to match rank and voltage requirements.

Suited for IT teams maintaining listed PowerEdge

Ideal for administrators extending the life of compatible Dell blade servers or building cost-effective replacements. Not suitable for desktop PCs, laptops or consumer motherboards that require unbuffered non-ECC memory. Buyers needing higher capacities per module or different DDR generations should look elsewhere.

Highlights

  • ECC registered design protects data integrity in servers
  • 16 GB DDR3L module runs at 1600 MHz CL11
  • Low 1.35 V DDR3L voltage reduces power draw
  • Qualified for Dell PowerEdge M420 M520 M620 M820 M915
  • Replaces Dell part numbers A6761613 A6994465 A7515505 A8255125 SNP20D6FC/16G

Specifications

BrandOWC
Part Number1R6T32R416GB
Capacity16GB
Type240-Pin DDR3L ECC RDIMM
SpeedDDR3L 1600 (PC3L 12800)
CAS LatencyCL11
Voltage1.35V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemDell PowerEdge M420
Dell PowerEdge M520
Dell PowerEdge M620
Dell PowerEdge M820
Dell PowerEdge M915

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Questions about this item

Does the 240-pin DDR3L ECC RDIMM arrive as a single 16 GB module or do I need to buy anything else?

The box contains one 16 GB DDR3L 1600 CL11 2Rx4 240-pin 1.35 V ECC Registered RDIMM. No extra cables, brackets or software are required; just an available DIMM slot in a compatible server.

My Dell PowerEdge M620 has several empty slots — should I add one 16 GB stick or two 8 GB sticks?

This part is a single 16 GB 2Rx4 module. If your M620 supports 2Rx4 population rules, one module fills a slot and leaves room for future expansion; matching 8 GB pairs are a separate SKU not covered here.

What does the PC3L-12800 1600 MHz rating actually deliver inside a PowerEdge M820?

The module runs at 1600 MT/s with CL11 latency at 1.35 V, providing ECC error correction and registered buffering for stable operation in the M820’s memory controller.

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