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Green rectangular DDR3 DIMM with black chips, 240 pins, no heat spreader

SK hynix

SK hynix HMT451U6AFR8C-PB 4GB DDR3 1600 desktop RAM

SKU CH-XZ2J-004HY MPN HMT451U6AFR8C-PB

A 4 GB DDR3 desktop module running at 1600 MHz with CL11 timing and 240-pin UDIMM form factor

  • Capacity4GB
  • SpeedDDR3 1600 (PC3 12800)
  • CAS LatencyCL11
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • Heat SpreaderNo
  • 4 GB capacity adds responsive multitasking headroom
  • DDR3 1600 speed moves data at PC3 12800 bandwidth
  • CL11 latency keeps access times tight
  • 240 pin UDIMM form factor fits standard desktop slots
  • Unbuffered non ECC design suits everyday workloads

4 GB DDR3 1600 desktop module

This SK hynix UDIMM delivers 4 GB of DDR3 memory at 1600 MT/s with CL11 latency. The unbuffered, non-ECC design fits standard 240-pin desktop slots. It is suited for basic system upgrades or replacements in compatible platforms.

Suits older DDR3 desktops needing a single 4 GB

Buyers who want more storage or higher bandwidth should look at something else. Systems that require registered or ECC modules cannot use this part. Any build limited to a different memory generation will need alternative hardware.

240-pin DDR3 DIMM form factor

The module uses the 240-pin DDR3 DIMM interface, which is the single specification that determines physical and electrical compatibility. Verify that the motherboard supports DDR3 1600 UDIMMs before purchase.

Points forts

  • 4 GB capacity adds responsive multitasking headroom
  • DDR3 1600 speed moves data at PC3 12800 bandwidth
  • CL11 latency keeps access times tight
  • 240 pin UDIMM form factor fits standard desktop slots
  • Unbuffered non ECC design suits everyday workloads

Caractéristiques

BrandSK hynix
SeriesDesktop Memory
ModelHMT451U6BFR8C-PB
Capacity4GB
SpeedDDR3 1600 (PC3 12800)
CAS LatencyCL11
ECCNo
Buffered/RegisteredUnbuffered
Heat SpreaderNo

Questions sur cet article

Should I choose the HMT451U6AFR8C-PB or the HMT451U6BFR8C-PB version for my 4GB DDR3 upgrade?

Both part numbers refer to the same 4GB DDR3 1600 module; the difference is a production revision only, so either will deliver the same capacity and speed.

What does the PC3-12800 rating mean for actual throughput in my desktop?

PC3-12800 indicates a peak transfer rate of 12,800 MB/s at 1600 MT/s; real-world bandwidth will be slightly lower due to protocol overhead and CL11 latency.

How does the 240-pin unbuffered DDR3 interface limit what I can install?

The 240-pin unbuffered DIMM fits standard desktop DDR3 slots only; it cannot be used in laptops, servers requiring registered memory, or boards built for other DDR generations.

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