Product comparison · 2 memory modules

Hypertec FH977AA-HY (Legacy) vs Hypertec ME.E51DD.P21-HY (Legacy)

Key differences

Internal memory
- FH977AA-HY (Legacy):4 GB
- ME.E51DD.P21-HY (Legacy):0.5 GB
Memory layout (modules x size)
- FH977AA-HY (Legacy):1 x 4 GB
- ME.E51DD.P21-HY (Legacy):1 x 0.5 GB
Internal memory type
- FH977AA-HY (Legacy):DDR2
- ME.E51DD.P21-HY (Legacy):DDR
Memory form factor
- FH977AA-HY (Legacy):240-pin DIMM
- ME.E51DD.P21-HY (Legacy):184-pin DIMM
ECC
- FH977AA-HY (Legacy):No
- ME.E51DD.P21-HY (Legacy):Yes
Memory clock speed
- FH977AA-HY (Legacy):800 MHz
- ME.E51DD.P21-HY (Legacy):266 MHz

Differences highlightedShow differences only

Comparison of FH977AA-HY (Legacy), ME.E51DD.P21-HY (Legacy)
8 specifications	A Hypertec FH977AA-HY (Legacy)View product	B Hypertec ME.E51DD.P21-HY (Legacy)View product
Features6 differ
Internal memoryDiffers	4 GB	0.5 GB
Memory layout (modules x size)Differs	1 x 4 GB	1 x 0.5 GB
Internal memory typeDiffers	DDR2	DDR
Component for	PC/Server	PC/Server
Memory form factorDiffers	240-pin DIMM	184-pin DIMM
ECCDiffers	No	Yes
Memory clock speedDiffers	800 MHz	266 MHz
Buffered memory typeKnown for one	Unknown — not stated by the source	Registered (buffered)

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.