Product comparison · 2 memory modules

Hypertec ME.E51DD.P21-HY (Legacy) vs Hypertec PX974AA-HY (Legacy)

7specifications compared
6differ
1identical
1known for one product only

Key differences

The Hypertec ME.E51DD.P21-HY (Legacy) has 0.25 GB more internal memory than the Hypertec PX974AA-HY (Legacy) (0.5 GB vs 0.25 GB). The Hypertec PX974AA-HY (Legacy) has 56 -pin DIMM more memory form factor than the Hypertec ME.E51DD.P21-HY (Legacy) (240-pin DIMM vs 184-pin DIMM). The Hypertec PX974AA-HY (Legacy) has 401 MHz more memory clock speed than the Hypertec ME.E51DD.P21-HY (Legacy) (667 MHz vs 266 MHz). Only the Hypertec ME.E51DD.P21-HY (Legacy) has ECC. Memory layout (modules x size): 1 x 0.5 GB on the Hypertec ME.E51DD.P21-HY (Legacy), 1 x 0.25 GB on the Hypertec PX974AA-HY (Legacy).

Internal memory
- ME.E51DD.P21-HY (Legacy):0.5 GB
- PX974AA-HY (Legacy):0.25 GB
Memory layout (modules x size)
- ME.E51DD.P21-HY (Legacy):1 x 0.5 GB
- PX974AA-HY (Legacy):1 x 0.25 GB
Internal memory type
- ME.E51DD.P21-HY (Legacy):DDR
- PX974AA-HY (Legacy):DDR2
Memory form factor
- ME.E51DD.P21-HY (Legacy):184-pin DIMM
- PX974AA-HY (Legacy):240-pin DIMM
ECC
- ME.E51DD.P21-HY (Legacy):Yes
- PX974AA-HY (Legacy):No
Memory clock speed
- ME.E51DD.P21-HY (Legacy):266 MHz
- PX974AA-HY (Legacy):667 MHz

Side by side

Differences highlightedShow differences only

Comparison of ME.E51DD.P21-HY (Legacy), PX974AA-HY (Legacy)
8 specifications	A Hypertec ME.E51DD.P21-HY (Legacy)View product	B Hypertec PX974AA-HY (Legacy)View product
Features6 differ
Internal memoryDiffers	0.5 GB	0.25 GB
Memory layout (modules x size)Differs	1 x 0.5 GB	1 x 0.25 GB
Internal memory typeDiffers	DDR	DDR2
Component for	PC/Server	PC/Server
Memory form factorDiffers	184-pin DIMM	240-pin DIMM
ECCDiffers	Yes	No
Memory clock speedDiffers	266 MHz	667 MHz
Buffered memory typeKnown for one	Registered (buffered)	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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