Very Low Profile DIMMs [VLP DIMM] are a new style of DIMM memory module. VLP-DIMMs function just like normal DDR, DDR2, or FBDIMMs but come in a new smaller form factor [size]. The current market for VLP DIMM modules is in the Server market, and also in routers and switches. The cost, as of 2006, prices the VLP modules out of the personal computer market.
The size [height] of the VLP DIMMs allow them to be mounted in the vertical position rather than at the normal 25 degree angle found in normal DIMM mounting. To date there are at least three common sizes or form factors for VLP DIMMs. The module width remains unchanged.
| VLP DIMM [Registered / Unregistered]: | 8.3mm [H] x 133.35mm [L] [Height x Length] | VLP FB-DIMM: | 18.29mm [H] x 133.35mm [L] [Height x Length] | VLP Mini-DIMM: | 18.28mm [H] x 82mm [L] [Height x Length] |
Because the Very Low Profile DIMM appears to be functionally identical to previous DRAM standards [other than size] additional characteristics appear on their original pages. Use any of the following pages to obtain speed and interface descriptions for various DRAM standards:
Memory
Module Manufacturers [Topic top]
DDR SDRAM: Double Data Rate
SDRAM description and manufacturers
DDR2 SDRAM: Double Data Rate
SDRAM II description and manufacturers
GDDR SDRAM: Graphics Double
Data Rate SDRAM description and manufacturers
FB-DIMM Fully-Buffered DIMM description and manufacturers
VLP DIMMs may be found in industrial gear, and not Personal Computers because of the added cost.
ATP Electronics {VLP-DIMM}
Hynix {VLP-DIMM Modules}
Micron {VLP Memory Modules for networking routers and switches, VLP MiniDIMM, 256MB-1GB}
Samsung {VLP-DIMM Modules}
SimpleTech Inc. {VLP-DIMM Modules}
Staktek {VLP-DIMM Modules}
VLP DIMMs 184-pin, 240-pin, VLP MiniDIMM; 244-pin
DIMM Sockets; DIMM/SIMM Socket Manufacturers.
Electronic Engineering Key words: VLP, Very Low Profile, DDR DIMM, IC Bus Standard, SSTL, SSTL_2, Integrated Circuit Bus, Chip Bus, Chip-to-Chip Bus, Microcomputer Bus, Microprocessor, Memory Busses, Memory, Specification, Interface, IC, Physical Interface, Description, DIMM, DDR-SDRAM, Pin Outs, Buffer, Advanced Memory Buffer, Manufacturers.
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