Product comparison · 2 memory modules

Acer 8GB FBD Upgrade kit (2x4GB) DDR2 667, ECC (G540-R520-R720-R920) vs HyperX 2GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), FBDIMM (Kit of 2)

5specifications compared
4differ
1identical
4known for one product only

Key differences

The Acer 8GB FBD Upgrade kit (2x4GB) DDR2 667, ECC (G540-R520-R720-R920) has 6 GB more internal memory than the HyperX 2GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), FBDIMM (Kit of 2) (8 GB vs 2 GB). The HyperX 2GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), FBDIMM (Kit of 2) has 133 MHz more memory clock speed than the Acer 8GB FBD Upgrade kit (2x4GB) DDR2 667, ECC (G540-R520-R720-R920) (800 MHz vs 667 MHz). Only the Acer 8GB FBD Upgrade kit (2x4GB) DDR2 667, ECC (G540-R520-R720-R920) has ECC. Memory form factor: 200-pin SO-DIMM on the Acer 8GB FBD Upgrade kit (2x4GB) DDR2 667, ECC (G540-R520-R720-R920), 240-pin DIMM on the HyperX 2GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), FBDIMM (Kit of 2).

Internal memory
- 8GB FBD Upgrade kit (2x4GB) DDR2 667, ECC (G540-R520-R720-R920):8 GB
- 2GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), FBDIMM (Kit of 2):2 GB
Memory form factor
- 8GB FBD Upgrade kit (2x4GB) DDR2 667, ECC (G540-R520-R720-R920):200-pin SO-DIMM
- 2GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), FBDIMM (Kit of 2):240-pin DIMM
ECC
- 8GB FBD Upgrade kit (2x4GB) DDR2 667, ECC (G540-R520-R720-R920):Yes
- 2GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), FBDIMM (Kit of 2):No
Memory clock speed
- 8GB FBD Upgrade kit (2x4GB) DDR2 667, ECC (G540-R520-R720-R920):667 MHz
- 2GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), FBDIMM (Kit of 2):800 MHz

Side by side

Differences highlightedShow differences only

Comparison of 8GB FBD Upgrade kit (2x4GB) DDR2 667, ECC (G540-R520-R720-R920), 2GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), FBDIMM (Kit of 2)
9 specifications	A Acer 8GB FBD Upgrade kit (2x4GB) DDR2 667, ECC (G540-R520-R720-R920)View product	B HyperX 2GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), FBDIMM (Kit of 2)View product
Features4 differ
Internal memoryDiffers	8 GB	2 GB
Memory form factorDiffers	200-pin SO-DIMM	240-pin DIMM
ECCDiffers	Yes	No
CAS latencyKnown for one	Unknown — not stated by the source	4
Memory clock speedDiffers	667 MHz	800 MHz
Memory voltageKnown for one	Unknown — not stated by the source	1.8 V
Lead platingKnown for one	Unknown — not stated by the source	Gold
Memory layout (modules x size)Known for one	2 x 4 GB	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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