667 MHz
400 MHz
800 MHz
133 MHz
333 MHz
266 MHz
533 MHz
100 MHz
66 MHz
200 MHz
1066 MHz
600 MHz
500 MHz
33 MHz
700 MHz
466 MHz
675 MHz
900 MHz
1000 MHz
750 MHz
550 MHz
120 MHz
125 MHz
83 MHz
433 MHz
25 MHz
366 MHz

PC2-5300
PC3200
PC133
PC2700
PC2100
PC2-4200
PC2-3200
PC100
PC2-6400
PC800
PC66
PC1600
PC2-8600
PC1600
PC4000
PC1066
PC3700
PC700
PC2-5400
PC2-7200
PC2-8000
PC2-6000
PC600
PC4400
PC3500
PC2-5600
PC3000

CL1.5
CL2
CL2.5
CL3
CL4
CL5
CL6

ECC
Non-ECC
Registered
Unbuffered

2 Modules
1 Module
3 - 4 Modules
More than 8 Modules
5 - 8 Modules

DIMM 240-pin
DIMM 184-pin
DIMM 168-pin
SO DIMM 200-pin
SO DIMM 144-pin
SIMM 72-pin
RIMM 184-pin
DIMM 100-pin
Proprietary
DIMM 200-pin
SIMM 30-pin
MicroDIMM 172-pin
DIMM 232-pin
SO DIMM 100-pin
SO DIMM 72-pin
MicroDIMM 144-pin
DIMM 208-pin
FB-DIMM
PC Card
RIMM 232-pin
RIMM 168-pin
DIMM 278-pin
SIMM 64-pin

Crucial Technology
Kingston
Hewlett Packard
Cisco
Smart Modular
Maxdata
Axiom Memory
IBM
ACP-EP Memory
EDGE Tech Corp
Dell
SimpleTech
Acer
Corsair Memory
PQI
Memory Upgrades
OCZ
Gateway
Sun
Cléa
Compaq
Viking InterWorks
Fujitsu
Samsung
Apple
SuperTalent
Lenovo
Intel
ASUS
Viking
PNY
Future Memory Solutions
Toshiba
Transcend
Panasonic
Gigabyte
PDP Systems
Konica Minolta
Princeton Digital
DTK
Supermicro
Tyan
Generic Memory
Elitegroup
Centon Electronics
AOpen
Black Diamond
FIC
EPoX
AMS
Sony
Polywell
Lanier
Canon
Hitachi
Abit
NEC
eMachines
Sharp
DFI
Zenith
Packard Bell
Ricoh
Shuttle
Ultra Products
Gestetner
Soyo
Everex
SGI / Silicon Graphics
AST
Modular Technology
BCM
X2
VIA
Averatec
Pro Series
MATRIX
Tiny Computers
Siemens
Alienware PC Systems
Advent
Ultra Max
Biostar
Savin
Chaintech
Soltek
OKI
Kyocera
Mitac
Winbook Corporation
Pavilion
EnPower
Epson
Infineon
Eurocom
Trigem
Olivetti
Arima
DEC
APC

DDR2 RAM
DDR RAM
EDO RAM
RDRAM (Rambus DRAM)
DRAM
FPM RAM
SDRAM
DDR2 DRAM
SRAM (Static RAM)

4 GB
2 GB
1 GB
512 MB
256 MB
Less than 64 MB
64 MB
128 MB
8 GB and more