Product comparison · 2 memory modules

Hypertec 256MB DIMM PC133, ECC (Legacy) vs Hypertec ME.E51DD.P21-HY (Legacy)

Key differences

Internal memory
- 256MB DIMM PC133, ECC (Legacy):0.25 GB
- ME.E51DD.P21-HY (Legacy):0.5 GB
Memory layout (modules x size)
- 256MB DIMM PC133, ECC (Legacy):1 x 0.25 GB
- ME.E51DD.P21-HY (Legacy):1 x 0.5 GB
Internal memory type
- 256MB DIMM PC133, ECC (Legacy):SDR SDRAM
- ME.E51DD.P21-HY (Legacy):DDR
Memory form factor
- 256MB DIMM PC133, ECC (Legacy):168-pin DIMM
- ME.E51DD.P21-HY (Legacy):184-pin DIMM
Memory clock speed
- 256MB DIMM PC133, ECC (Legacy):133 MHz
- ME.E51DD.P21-HY (Legacy):266 MHz

Differences highlightedShow differences only

Comparison of 256MB DIMM PC133, ECC (Legacy), ME.E51DD.P21-HY (Legacy)
9 specifications	A Hypertec 256MB DIMM PC133, ECC (Legacy)View product	B Hypertec ME.E51DD.P21-HY (Legacy)View product
Features5 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Memory layout (modules x size)Differs	1 x 0.25 GB	1 x 0.5 GB
Internal memory typeDiffers	SDR SDRAM	DDR
Component forKnown for one	Unknown — not stated by the source	PC/Server
Memory form factorDiffers	168-pin DIMM	184-pin DIMM
Memory clock speedDiffers	133 MHz	266 MHz
Buffered memory typeKnown for one	Unknown — not stated by the source	Registered (buffered)
Packaging dataidentical
Package typeKnown for one	DIMM	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.