Product comparison · 2 memory modules

Acer 8GB FBD Upgrade kit (2x4GB) DDR2 667, ECC (G540-R520-R720-R920) vs HyperX 4GB, 1375MHz, DDR3, Non-ECC, Low-Latency, CL7 (7-7-7-20), DIMM (Kit of 2)

4specifications compared
4differ
0identical
5known for one product only

Key differences

The Acer 8GB FBD Upgrade kit (2x4GB) DDR2 667, ECC (G540-R520-R720-R920) has 4 GB more internal memory than the HyperX 4GB, 1375MHz, DDR3, Non-ECC, Low-Latency, CL7 (7-7-7-20), DIMM (Kit of 2) (8 GB vs 4 GB). Only the Acer 8GB FBD Upgrade kit (2x4GB) DDR2 667, ECC (G540-R520-R720-R920) has ECC. Internal memory type: DDR2 on the Acer 8GB FBD Upgrade kit (2x4GB) DDR2 667, ECC (G540-R520-R720-R920), DDR3 on the HyperX 4GB, 1375MHz, DDR3, Non-ECC, Low-Latency, CL7 (7-7-7-20), DIMM (Kit of 2). 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 4GB, 1375MHz, DDR3, Non-ECC, Low-Latency, CL7 (7-7-7-20), DIMM (Kit of 2).

Internal memory
- 8GB FBD Upgrade kit (2x4GB) DDR2 667, ECC (G540-R520-R720-R920):8 GB
- 4GB, 1375MHz, DDR3, Non-ECC, Low-Latency, CL7 (7-7-7-20), DIMM (Kit of 2):4 GB
Internal memory type
- 8GB FBD Upgrade kit (2x4GB) DDR2 667, ECC (G540-R520-R720-R920):DDR2
- 4GB, 1375MHz, DDR3, Non-ECC, Low-Latency, CL7 (7-7-7-20), DIMM (Kit of 2):DDR3
Memory form factor
- 8GB FBD Upgrade kit (2x4GB) DDR2 667, ECC (G540-R520-R720-R920):200-pin SO-DIMM
- 4GB, 1375MHz, DDR3, Non-ECC, Low-Latency, CL7 (7-7-7-20), DIMM (Kit of 2):240-pin DIMM
ECC
- 8GB FBD Upgrade kit (2x4GB) DDR2 667, ECC (G540-R520-R720-R920):Yes
- 4GB, 1375MHz, DDR3, Non-ECC, Low-Latency, CL7 (7-7-7-20), DIMM (Kit of 2):No

Side by side

Differences highlightedShow differences only

Comparison of 8GB FBD Upgrade kit (2x4GB) DDR2 667, ECC (G540-R520-R720-R920), 4GB, 1375MHz, DDR3, Non-ECC, Low-Latency, CL7 (7-7-7-20), DIMM (Kit of 2)
9 specifications	A Acer 8GB FBD Upgrade kit (2x4GB) DDR2 667, ECC (G540-R520-R720-R920)View product	B HyperX 4GB, 1375MHz, DDR3, Non-ECC, Low-Latency, CL7 (7-7-7-20), DIMM (Kit of 2)View product
Features4 differ
Internal memoryDiffers	8 GB	4 GB
Internal memory typeDiffers	DDR2	DDR3
Memory form factorDiffers	200-pin SO-DIMM	240-pin DIMM
ECCDiffers	Yes	No
CAS latencyKnown for one	Unknown — not stated by the source	7
Memory voltageKnown for one	Unknown — not stated by the source	1.7 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
Memory clock speedKnown for one	667 MHz	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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