Amiga 3000T: Supported Memory Modules

According to Commodore A3000T Service Manual

Acceptable Chip RAM

TOSHIBA TC514256 TC514258
HITACHI HM514256 HM514258
NEC uPD424256 uPD424258
SHARP LH64258
TI TMS44C256
OKI MSM514256 MSM514258

Acceptable Fast RAM

256K * 4 Page Mode

TOSHIBA TC514256
OKI MSM514256
HITACHI HM514256
N E C uPD424256

256K x 4 Static Column Mode

TOSHIBA TC514258
SHARP LH64258
OKI MSM514258
HITACHI HM514258
NEC uPD424258
TI TMS44C256

1M x4 Page Mode

TOSHIBA TC514400
HITACHI HM514400
NEC uPD424400
OKI MSM514400

1M * 4 Static Column Mode

TOSHIBA TC514402
OKI MSM514402

According to Commodore A3000T User Manual

Acceptable Fast RAM

1M x4 Page Mode

TOSHIBA TC514400
HITACHI HM%14400
NEC uPD424400
OKI MSM 514400

1M * 4 Static Column Mode

TOSHIBA TC514402
OKI MSM514402

According to Commodore part list

Acceptable Fast RAM

256K x 4 Page Mode

NEC UPD424256V-80
SAMSUNG KM44C256AZ-8
OKI MSM514256A-80ZS
MATSUSHITA MN41C4256L-08

256K x 4 Static Column Mode

NEC UPD42458V-80
MOTOROLA MCM51428AZ80
TOSHIBA TC514258AZ-80
HITACHI HM514258AZP-8

1M x 4 Page Mode

TOSHIBA TC514410Z-80
NEC UPD424400V-80
HITACHI HM14400ZP-8
OKI MSM514400-8

1M x 4 Static Column

NEC UPD424402V-80
TOSHIBA TC514402Z-80
HITACHI HM514402AZ8
OKI M514402-80Z

Acceptable for both Fast and Chip

NEC UPD42458C-80
MOTOROLA MCM514258AP80
TOSHIBA TC514258AP-80
SAMSUNG KM44C258AP-8
HITACHI HM514258AP-8