Product comparison · 2 memory modules

Hypertec ME.E51DD.P21-HY (Legacy) vs Hypertec PH201A-HY (Legacy)

Key differences

Internal memory
- ME.E51DD.P21-HY (Legacy):0.5 GB
- PH201A-HY (Legacy):2 GB
Memory layout (modules x size)
- ME.E51DD.P21-HY (Legacy):1 x 0.5 GB
- PH201A-HY (Legacy):1 x 2 GB
Internal memory type
- ME.E51DD.P21-HY (Legacy):DDR
- PH201A-HY (Legacy):DDR2
Memory form factor
- ME.E51DD.P21-HY (Legacy):184-pin DIMM
- PH201A-HY (Legacy):240-pin DIMM
ECC
- ME.E51DD.P21-HY (Legacy):Yes
- PH201A-HY (Legacy):No
Memory clock speed
- ME.E51DD.P21-HY (Legacy):266 MHz
- PH201A-HY (Legacy):400 MHz

Differences highlightedShow differences only

Comparison of ME.E51DD.P21-HY (Legacy), PH201A-HY (Legacy)
8 specifications	A Hypertec ME.E51DD.P21-HY (Legacy)View product	B Hypertec PH201A-HY (Legacy)View product
Features6 differ
Internal memoryDiffers	0.5 GB	2 GB
Memory layout (modules x size)Differs	1 x 0.5 GB	1 x 2 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	400 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.