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Product comparison · 2 memory modules

HyperX 4GB DDR3L-1866 vs Kingston Technology ValueRAM KCS-UC421/8G memory module

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  • 15specifications compared
  • 14differ
  • 1identical
  • 11known for one product only

Key differences

  • Internal memory
    • 4 GB
    • 8 GB
  • Memory layout (modules x size)
    • 1 x 4 GB
    • 1 x 8 GB
  • Internal memory type
    • DDR3L
    • DDR4
  • Component for
    • Laptop
    • PC/Server
  • Memory form factor
    • 204-pin SO-DIMM
    • 288-pin DIMM
  • ECC
    • No
    • Yes
  • Memory bus
    • 64 bit
    • 72 bit
  • Buffered memory type
    • Unregistered (unbuffered)
    • Registered (buffered)

Side by side

Differences highlightedShow differences only
26 specifications
A

HyperX

4GB DDR3L-1866View product
B

Kingston Technology

ValueRAM KCS-UC421/8G memory module

Model KCS-UC421/8G

View product
Features9 differ
Internal memoryDiffers4 GB8 GB
Memory layout (modules x size)Differs1 x 4 GB1 x 8 GB
Internal memory typeDiffersDDR3LDDR4
Component forDiffersLaptopPC/Server
Memory form factorDiffers204-pin SO-DIMM288-pin DIMM
ECCDiffersNoYes
CAS latencyKnown for one11
Memory clock speedKnown for one1866 MHz
Memory busDiffers64 bit72 bit
Buffered memory typeDiffersUnregistered (unbuffered)Registered (buffered)
Memory voltageKnown for one1.35 V
Module configurationDiffers512M x 641G X 72
Row cycle timeKnown for one44.7 ns
Refresh row cycle timeKnown for one260 ns
Lead platingGoldGold
Memory rankingKnown for one1
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 85 °C
Storage temperature (T-T)Known for one-55 - 100 °C
Weight & dimensions1 differ
WidthDiffers67.6 mm133.3 mm
HeightKnown for one30 mm
Other features4 differ
Bus clock rateDiffers1866 MHz2133 MHz
Error indicationDiffersNoECC
Internal memoryDiffers4096 MB8192 MB
Memory layoutDiffers1 x 4096 MB1 x 8192 MB
Chips organisationKnown for oneX4
CompatibilityKnown for oneCisco - UCS B-Series B200 M4 Blade Server Cisco - UCS C-Series C220 M4 Rack-Mount Server Cisco - UCS C-Series C240 M4 Rack-Mount Server

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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