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Green rectangular DDR3L server memory module with gold edge connector and black chips, no heat spreader

SAMSUNG

SAMSUNG M393B1G70EB0-YK0 8GB DDR3L 1600 ECC Registered server RAM

SKU CH-HDHQ-WESJR MPN M393B1G70EB0-YK0

Provides 8GB of DDR3L 1600 registered ECC memory at 1.35V for server stability

  • Capacity8GB
  • Type240-Pin DDR3 SDRAM
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Timing11-11-11
  • Voltage1.35V
  • ECC protection guards data integrity in servers
  • Registered buffering stabilises signal on heavily loaded buses
  • 35 V DDR3L voltage reduces power draw and heat
  • CL11 11-11-11 timings deliver responsive 1600 MT/s throughput
  • 8 GB 1Rx4 module fits 240-pin DDR3 slots

8GB DDR3L 1600 ECC Registered module

This 8GB DDR3L module runs at 1600 MT/s with CL11 11-11-11 timings at 1.35V. It uses a 240-pin form factor and a single 1Rx4 rank. ECC and registered buffering protect data integrity in multi-socket servers.

Suited for DDR3L RDIMM slots needing ECC

Systems that require registered ECC DDR3L at 1.35V can use this module. It will not work in platforms that only accept unbuffered non-ECC UDIMMs or those limited to 1.5V DDR3.

Fits 240-pin DDR3L RDIMM channels

The stick occupies one registered DIMM slot and draws 1.35V from the memory controller. No heat spreader is present, leaving clearance for tall CPU coolers. The 1Rx4 organisation keeps electrical loading low per channel.

Highlights

  • ECC protection guards data integrity in servers
  • Registered buffering stabilises signal on heavily loaded buses
  • 35 V DDR3L voltage reduces power draw and heat
  • CL11 11-11-11 timings deliver responsive 1600 MT/s throughput
  • 8 GB 1Rx4 module fits 240-pin DDR3 slots

Specifications

BrandSAMSUNG
ModelM393B1G70EB0-YK0
Capacity8GB
Type240-Pin DDR3 SDRAM
SpeedDDR3L 1600 (PC3L 12800)
CAS LatencyCL11
Timing11-11-11
Voltage1.35V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx4
Heat SpreaderNo
Shipping weight0.50 kg
Package size184 × 82 × 52 mm

Questions about this item

Does my motherboard need 240-pin DDR3 slots that support 1.35 V DDR3L and registered ECC modules?

Yes, the module is a 240-pin DDR3L stick running at 1.35 V with ECC and registered buffering, so the board must provide DDR3 slots that accept registered ECC memory at that voltage.

Can I mix this CL11 1Rx4 registered stick with older unbuffered DDR3 DIMMs I already have?

No, registered and unbuffered DIMMs cannot be used together; the motherboard requires all installed modules to be registered ECC for the system to post.

How do I confirm the module is running at DDR3L 1600 with 11-11-11 timings after installation?

Enter the BIOS or use a system-information tool such as CPU-Z and verify the memory speed shows 1600 MT/s (PC3L-12800) with CAS latency 11 and timings 11-11-11.

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