Product comparison · 2 memory modules

HyperX 256MB DDR2 675MHz vs Kingston Technology 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8

7specifications compared
7differ
0identical
11known for one product only

Key differences

The Kingston Technology 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8 has 0.25 GB more internal memory than the HyperX 256MB DDR2 675MHz (0.5 GB vs 0.25 GB). The HyperX 256MB DDR2 675MHz has 56 -pin DIMM more memory form factor than the Kingston Technology 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8 (240-pin DIMM vs 184-pin DIMM). The HyperX 256MB DDR2 675MHz has 1 more CAS latency than the Kingston Technology 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8 (4 vs 3). Only the Kingston Technology 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8 has ECC. Internal memory type: DDR2 on the HyperX 256MB DDR2 675MHz, DDR on the Kingston Technology 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8.

Internal memory
- HyperX 256MB DDR2 675MHz:0.25 GB
- 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8:0.5 GB
Internal memory type
- HyperX 256MB DDR2 675MHz:DDR2
- 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8:DDR
Memory form factor
- HyperX 256MB DDR2 675MHz:240-pin DIMM
- 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8:184-pin DIMM
ECC
- HyperX 256MB DDR2 675MHz:No
- 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8:Yes
CAS latency
- HyperX 256MB DDR2 675MHz:4
- 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8:3
Memory bus
- HyperX 256MB DDR2 675MHz:64 bit
- 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8:72 bit
Check width
- HyperX 256MB DDR2 675MHz:16 bit
- 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8:8 bit

Side by side

Differences highlightedShow differences only

Comparison of HyperX 256MB DDR2 675MHz, 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8
18 specifications	A HyperX HyperX 256MB DDR2 675MHz View product	B Kingston Technology 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8 View product
Features7 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Memory layout (modules x size)Known for one	Unknown — not stated by the source	1 x 0.5 GB
Internal memory typeDiffers	DDR2	DDR
Memory form factorDiffers	240-pin DIMM	184-pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	4	3
Memory busDiffers	64 bit	72 bit
Check widthDiffers	16 bit	8 bit
Buffered memory typeKnown for one	Unknown — not stated by the source	Registered (buffered)
Memory voltageKnown for one	Unknown — not stated by the source	2.6 V
Memory typeKnown for one	Unknown — not stated by the source	DDR
Lead platingKnown for one	Unknown — not stated by the source	Gold
Other featuresidentical
Chips organisationKnown for one	Unknown — not stated by the source	X8
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 55 °C	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	133 mm	Unknown — not stated by the source
DepthKnown for one	2.7 mm	Unknown — not stated by the source
HeightKnown for one	30 mm	Unknown — not stated by the source

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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