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

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

CL1.5
CL2
CL2.5
CL3
CL4
CL5
CL6

ECC
Non-ECC
Registered
Unbuffered

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

Crucial Technology
Kingston
Future Memory Solutions
Hewlett Packard
Cisco
Smart Modular
ACP-EP Memory
Axiom Memory
IBM
EDGE Tech Corp
SimpleTech
Memory Upgrades
Viking InterWorks
Maxdata
Corsair Memory
PQI
Dell
OCZ
Acer
SuperTalent
Lenovo
Compaq
Viking
Generic Memory
PNY
Fujitsu
Transcend
PDP Systems
Gateway
Princeton Digital
Samsung
Sun
Centon Electronics
Black Diamond
AMS
Abit
Modular Technology
Apple
Ultra Max
Panasonic
AST
OKI
Toshiba
X2
Cléa
Sony
Pro Series
Dane-Elec
ASUS
Infineon
DFI
Elitegroup
Intel
Ultra Products
Ricoh
Kingmax Technology
Lexmark
Konica Minolta
Major
Advanced Fox
3Com
Nortel
NEC
Mushkin
Aeneon
FIC
SmartDisk
DRAM Master
GSkill
AOpen
Nspire
Xerox
Lanier
Kbyte
BCM
GeIL
Sharp
US Modular
Adapters.com
Hynix
Motion Computing
WELA electronic
Enterasys
SGI / Silicon Graphics
AllComponents
Gigabyte
A-Data Technology
Packard Bell
Axiom Audio
Supermicro
Posiflex
Fujitsu Siemens
Tektronix
TechWorks
Buffalo Technology
Microsoft
Chaintech
Coleman
Adaptec
Lifetime

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

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