SIMM Computer RAM 4 MB Total Capacity for sale

4MB 4 x 1MB 30-Pin 8 Chip Parity SIMM 80ns SILVER RAM Memory *TESTED*
Pre-Owned · Unbranded
C $55.44
C $32.05 shipping
+^ &* ] w.?!8|/ $P 8D S p o n s o r e d
4x 1MB 30-Pin 3-Chip 70ns FPM SIMM Memory Silver RAM 4MB Vintage PC 286 386
Pre-Owned
C $41.58
C $31.64 shipping
+^ K&*8 ]F8 w .GK DE X?!|W / $S p o n s o r e d
4x 1MB 30-Pin 3-Chip 70ns FPM SIMM Memory Module RAM 4MB Gold PC 286 386
Pre-Owned
C $41.58
C $31.64 shipping
+F^V &*U0 ] 0w.8 I?X!|/ $S p o n s o r e d
8MB 2x4MB 30-Pin SIMM 70ns SILVER 9bit FPM Memory PC, IBM 286/386 *TESTED*
Pre-Owned · Unbranded
C $34.64
C $31.44 shipping
+^A &H* ] QO w A.?!|F/ $39 S p o n s o r e d
4pcs PurpleRAM new 4MB kit (4x1MB) 70ns parity 30pin SIMM low profile memory
Brand New · Unbranded
C $54.07
Free shipping
+^F Q &0*R ] D Xw .G?!|Y/ $
4pcs PurpleRAM new 4MB kit (4x1MB) 60ns 30pin SIMM low profile memory modules
Brand New · Unbranded
C $48.52
Free shipping
+^ &YA * R]O 4Kw T.G? A!|J/ $
2pcs PurpleRAM new 8MB kit (2x4MB) 64pin GWORLD SIMM low profile memory modules
Brand New · Unbranded
C $95.65
Free shipping
+O^9 MN SO &* ] w.?UM! SP|/ $
8MB 2x 4MB 30pin SIMM RAM MEMORY non-parity 4x8 30-pin Apple Mac PC Classic II
Pre-Owned
C $20.10
C $15.48 shipping
41 sold
HH 9Z +4^ &W J* ] wT.?! QB|/ $
Original IBM PS/2 Memory 68x6127E and 65X6249 85NS 72 2MB PIN SIMM (Total 4MB)
Pre-Owned · IBM
C $27.67
or Best Offer
0 bids
1d 14h
F+^ 7 &* ] 6w.K N7?!|/ $
4x 1MB 30-Pin 9-Chip Parity 70ns FPM Memory SIMMs Apple Macintosh SE Plus 1Mx9
Pre-Owned
C $41.58
C $16.12 shipping
162 sold
+^ 3&* ] w.?Z!| 65 5Y/ V$3
4pc 1MB 3 Chip SIMM Memory 30-pin IBM PC 286 386 486 XT Computer Ram 4mb 1x9
Pre-Owned
C $33.20
or Best Offer
C $15.87 shipping
124 sold
+^ W8&* N 6 ] Nw.?!|/ 5$ X
Hitachi HM514400CS6 4MB PS/2 FPM RAM SIMM 1Mx32 72-Pin Memory Single Sided 60NS
Pre-Owned · Hitachi
C $9.43
C $5.96 shipping
+T^ &* K] w6.Q?!| / K$M
4MB EDO 72pin SIMM 60ns Hyundai HY514404A J-60
Pre-Owned · Hyundai
C $5.48
C $9.01 shipping
+^ 82& *F ]Z w. ?!|/ $TT
4MB 4 x 1MB 30-Pin SIMM 100ns SILVER MCM91000S Memory PC, IBM 286/386 *TESTED*
Pre-Owned · Unbranded
C $69.30
C $32.45 shipping
M4 Q9+^ &* ]M Qw.?!| V/S $ S p o n s o r e d
4 x 1MB 30-Pin 2-Chip 70ns FPM SIMM Memory RAM 4MB Gold PC 286 386 *Tested*
Pre-Owned
C $54.05
C $32.01 shipping
5+^L &Z*D S ] w.0? !3X |1/E $S p o n s o r e d
4 x 1MB 30-Pin 3-Chip 80ns FPM SIMM Memory RAM 4MB Silver PC 286 386 *Tested*
Pre-Owned
C $48.51
C $31.84 shipping
3+^ R TW& DW *B O] w.?!A|2/ $S p o n s o r e d
2x 4MB 72-Pin (8MB) Fast Page Non-Parity 1X32 SIMM RAM Memory Mac PC Unix Apple
Pre-Owned
C $5.38
C $21.29 shipping
103 sold
A+A^ & 5*K ] wZ.?!|X/ DP UH $
(4) 1MB Parity SIPP Modules with SIMM Adapters 30-pin RAM Memory (4MB Total)
Pre-Owned
C $62.24
or Best Offer
+^ &* U]O J w.?!|/ $B 3N
Keystron 4MB 4x9 60-ns 30-pin Fast Page FPM DRAM Parity SIMM Memory
Brand New
(3)
C $13.17
or Best Offer
QS FW FE+^ &* ]5 w.?!M| / $
HM514400BS7 4MB PS/2 FPM RAM SIMM 1Mx32 72-Pin Single Sided Hitachi Memory
Pre-Owned · Hitachi
C $6.28
C $6.07 shipping
+^0 Z L&* ]G w.?!|/ $2A T
TMS418160DZ-60 4MB PS/2 FPM RAM SIMM 1Mx32 72Pin Non-Parity Single Sided 60Ns
Pre-Owned · Texas Instruments
C $6.99
C $6.28 shipping
T+G ^D &* A K]B w .?LV W!W| / $
8MB Texas Instruments Fpm RAM Kit (2x 4MB) 72-Pin Simm Non-Parity TM124BBK32U-70
Pre-Owned · Texas Instruments
C $12.60
C $5.95 shipping
+I^ &* ] 1 w.OA?! |IK/ B8$
8MB Texas Instruments FPM RAM Kit (2X 4MB) 72-Pin PS/2 SIMM 1Mx32 TMS418160DZ-60
Pre-Owned · Unbranded
C $20.43
C $6.11 shipping
Y6+^ E&* H T] Mw.?!|/ $ER
4x 1MB 30-Pin 3-chip Parity 70ns FPM 1Mx9 Memory SIMMs 4MB RAM Apple Mac PC
Pre-Owned
C $24.80
75 sold
C+R ^CA &* O]P w4.?!|P/ $
Hyundai HYM536100M 4MB PS/2 FPM RAM SIMM 1Mx36 72-Pin Memory Parity Vintage 70ns
Pre-Owned · Hyundai
C $15.71
C $6.28 shipping
Only 1 left!
+^6 Z&* ] Aw.?!|/ $8
Original IBM FRU 71F7011 8MB 70NS 72 PIN SIMM 2Mx36 PS2 Memory PS/2 RAM Parity
Pre-Owned · IBM
C $24.25
+^O &6* ] w9.3 Y?B!| V4/ $
2x 4MB 30-Pin 3-Chip (Parity) 60ns 4Mx9 LC CC FPM Macintosh Memory 8MB Apple RAM
Pre-Owned
C $27.71
C $15.71 shipping
D6 +02^ A&* ]A wUV 2R .?!|/ $
4MB (4 x 1MB) 30 Pin Simms 60ns (3 Chip) - Matched Sets - Total of 4 - 4MB
Pre-Owned
C $23.57
Only 3 left
09+ ^ 8&X* IU T]D w.?D!|H / $
4x 1MB 30-Pin 3-Chip 60ns GOLD SIMM Memory Module RAM 4MB Gold PC 286 386
Pre-Owned
C $41.58
C $31.64 shipping
+^ 10 8&C* A 3 ] w.?!A|Q/ $S p o n s o r e d
2 x 4MB 30-Pin 2-Chip 70ns FPM SIMM Memory RAM 8MB Non-Parity 286 386 *Tested*
Pre-Owned
C $41.58
C $31.64 shipping
+^ I&* ]J WwK. ?1W! |2G/ P$S p o n s o r e d
30 Pin 4MB RAM (4x1MB Modules) Non Parity 5V 80ns NEC Memory *TESTED+REPORT*
Pre-Owned · NEC
C $35.42
C $17.73 shipping
1Q+ ^ 3&9 TY *V ] w.R?!|/ Z$S p o n s o r e d
4 x 1MB 80ns FPM SIMM Memory Module RAM 4MB Vintage PC 286 386 *TESTED*
Pre-Owned · RAM
C $69.30
C $32.45 shipping
W+B ^N8 &* C] Mw.? !|LC / $S p o n s o r e d
4MB (4 x 1MB) 30 Pin Simms 80ns (3 Chip) - Matched Sets - Total of 4 - 4MB
Pre-Owned
C $23.57
2 watching
+^E R &A* ]R Kw.S? !SG|/ T $
4MB RAM Single Sided EDO Memory 72Pin SIMM Storage 1Mx32 70ns Non Parity
Pre-Owned · Unbranded
C $8.73
C $6.28 shipping
+R^ &7* ]W 3 SFw.?!|/ $Z
8MB 2x4MB 30-Pin 9-chip 60ns Parity FPM Memory SIMM
Pre-Owned
C $31.87
or Best Offer
C $15.83 shipping
60 sold
+B^ &* ] w.K ?LJ!|/ I P $O7
4x 1MB 30-Pin 2-Chip Non-Parity 60ns FPM Memory SIMM Apple Mac PC
Pre-Owned
C $34.64
C $15.91 shipping
+0^ D &T*J ] wUL .?IV!|/ Q $
4pc Set 1MB 30-Pin 4MB 8-chip Non-Parity FPM SIMM MACINTOSH SE Plus Apple Amiga
Pre-Owned · Hitachi
C $55.38
C $23.11 shipping
9 watching
R+^ M T&P *X 4 ] wLC.? !Z|V / $
Hitachi HM514400BLS7 4MB PS/2 FPM RAM SIMM 1Mx32 72-Pin Memory Single Sided
Pre-Owned · Hitachi
C $6.99
C $6.11 shipping
+0^X &* ] w0.K L?!|/Y $P
4 x 1MB 30-Pin 2-Chip 70ns FPM SIMM Memory RAM 4MB Silver PC 286 386 *Tested*
Pre-Owned
C $54.05
C $32.01 shipping
+^YK &*RI ] w .6?!|N/ $BJ S p o n s o r e d
4 x 1MB 70ns FPM SIMM Gold Memory Module RAM 4MB PC 286 386 *TESTED*
Pre-Owned · RAM
C $48.51
C $31.84 shipping
A+^0 I2 X&* ] w.?!|/ $B S p o n s o r e d
8MB 2x4MB 30-Pin 3-Chip (Parity) 60ns 4Mx9 FPM for Macintosh Classic II
Pre-Owned
C $31.87
C $15.83 shipping
+^GO O2 31&* ] w .?D!|/ $C
8MB 2X4MB RAM Memory Upgrade ENSONIQ Emu E-mu ASR-10 ASR10 TS10 SAMPLER TESTED
Pre-Owned
C $27.71
C $15.71 shipping
45 sold
3Z +^ O0&* ] Hw.D ?!GG|/ $
NEW Atari 520 1040 Mega STE TT 80ns Fast Nibble Mode 30 Pin SIMMS 4 x 1MB = 4MB
New (Other)
C $82.14
C $20.09 shipping
7 watching
+O^ &H* ] CTw.?!|/ $ 33
2x 4MB 30-Pin 3-Chip Parity 70ns 4Mx9 LC CC FPM Memory 8MB Apple Mac LC RAM
Pre-Owned
C $46.43
+^P C X&W * U] 1w .P?!|/ $I
Tc514400Asj-70 4Mb Ps/2 Fpm Ram Simm 1Mx32 72-Pin Memory Single Sided Toshiba
Pre-Owned · Toshiba
C $9.43
C $6.28 shipping
+M^ &*A ] w.1U 7?W !SI D|C / $
VG264400BJ-7 4MB PS/2 FPM RAM SIMM 1Mx32 72-Pin Non-Parity Single Sided Vanguard
Pre-Owned
C $6.28
C $6.11 shipping
V+2 H^S X4& *8 ] Ew .?I3! |/ $
Fujitsu MB85341 Compaq 172707-002 SIMM RAM 72 Pin Module 4MB 70ns
Pre-Owned · Fujitsu
C $18.44
C $35.81 shipping
3F +TK 2^ &* H ] SwM .I?!|U / $
4MB 30pin FAST PAGE FP FPM SIMM RAM MEMORY with parity 4x9 30-pin 60-ns
Brand New
C $13.72
C $15.30 shipping
190 sold
+2^8 & TH* ] XwK.? TL !G|/ $
NEW Sealed Vintage Apple Macintosh Memory Expansion Kit M5952LL/A 4MB Kit NOS
Brand New · Apple
C $34.64
4R+ ^9 &* ]I Mw.L ?!|A/E $
HYM361120GS-70 4MB PS/2 FPM RAM SIMM 1Mx36 72-Pin Memory Parity Siemens 70NS
Pre-Owned · Siemens
C $14.94
C $6.28 shipping
+^ &*AC ] 8 4 LOw.? !|/ $LU
New Listing8MB Kit (2x 4MB) Samsung FPM RAM 72P PS/2 SIMM Kingston Memory KMM5321000CV-7
Pre-Owned · Samsung
C $24.95
or Best Offer
C+5^ &* ]Y w0.? B!9 |/ HN$
Hyb514400Bj-70 4Mb Ps/2 Fpm Ram Simm 1Mx32 72-Pin Memory Single Sided Siemens
Pre-Owned · Siemens
C $7.86
C $6.11 shipping
ZG+^ &* ] wR.?W !R|M /GV $
NEC 4218160-60 8MB PS/2 FPM RAM SIMM 2Mx32 72Pin Non-Parity FastPage Memory 60Ns
Pre-Owned · NEC
C $15.73
C $5.97 shipping
Q+^Q &* E] Iw C.?N !|/P $K
MT4C4001JDJ-6 4MB PS/2 FPM RAM SIMM 1Mx32 72-Pin Memory Single Sided 60Ns Micron
Pre-Owned · Micron
C $6.28
C $6.07 shipping
+G^E &* 3 ]1 8 Aw. ?6!X|/ F $
GM71C4400BJ70 4MB PS/2 FPM RAM SIMM 1Mx32 72-Pin Memory Single Sided Goldstar
Pre-Owned · Goldstar
C $7.85
C $6.11 shipping
T+Q ^ &N*9 ]5K wU7.? !|/H $
4MB THM94000AS-80 30-Pin SIMM FPM Parity RAM 4Mx9 5V 80NS Toshiba Vintage Memory
Pre-Owned · Toshiba
C $29.94
C $5.97 shipping
G+E 0^ 1& *KI ] 3X w.? !G|/ $
4MB (4 x 1MB) 30 Pin Simms Unmatched Sets - Total of 4 - Various Speeds & Chips
Pre-Owned
C $19.41
+^ &* 3J ]UT w .F?!S |/ 3$5
Hitachi HM514400AS7 4MB PS/2 FPM RAM SIMM 1Mx32 72-Pin Memory Single Sided 70ns
Pre-Owned · Hitachi
C $9.43
C $6.28 shipping
5O+ Z^H &A* ]I 1Sw.?!|/ $
2x 4MB 30-Pin 3-Chip 60ns FPM SIMM Memory Module RAM Vintage PC 286 386 *Tested*
Pre-Owned · Unbranded
C $34.64
C $31.44 shipping
VN E+^Q &*U ]0 Yw.?!|/8 $S p o n s o r e d
4 x 1MB 70ns FPM SIMM Silver Memory Module RAM 4MB PC 286 386 *TESTED*
Pre-Owned · RAM
C $47.12
C $31.80 shipping
B+U G^H & *F X ] wCV.?!| /Z6 $S p o n s o r e d

SIMM Computer RAM 4 MB Total Capacity

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599 Results

4MB 4 x 1MB 30-Pin 8 Chip Parity SIMM 80ns SILVER RAM Memory *TESTED*

4x 1MB 30-Pin 3-Chip 70ns FPM SIMM Memory Silver RAM 4MB Vintage PC 286 386

4x 1MB 30-Pin 3-Chip 70ns FPM SIMM Memory Module RAM 4MB Gold PC 286 386

8MB 2x4MB 30-Pin SIMM 70ns SILVER 9bit FPM Memory PC, IBM 286/386 *TESTED*

4pcs PurpleRAM new 4MB kit (4x1MB) 70ns parity 30pin SIMM low profile memory

4pcs PurpleRAM new 4MB kit (4x1MB) 60ns 30pin SIMM low profile memory modules

2pcs PurpleRAM new 8MB kit (2x4MB) 64pin GWORLD SIMM low profile memory modules

8MB 2x 4MB 30pin SIMM RAM MEMORY non-parity 4x8 30-pin Apple Mac PC Classic II

Original IBM PS/2 Memory 68x6127E and 65X6249 85NS 72 2MB PIN SIMM (Total 4MB)

4x 1MB 30-Pin 9-Chip Parity 70ns FPM Memory SIMMs Apple Macintosh SE Plus 1Mx9

4pc 1MB 3 Chip SIMM Memory 30-pin IBM PC 286 386 486 XT Computer Ram 4mb 1x9

Hitachi HM514400CS6 4MB PS/2 FPM RAM SIMM 1Mx32 72-Pin Memory Single Sided 60NS

4MB EDO 72pin SIMM 60ns Hyundai HY514404A J-60

4MB 4 x 1MB 30-Pin SIMM 100ns SILVER MCM91000S Memory PC, IBM 286/386 *TESTED*

4 x 1MB 30-Pin 2-Chip 70ns FPM SIMM Memory RAM 4MB Gold PC 286 386 *Tested*

4 x 1MB 30-Pin 3-Chip 80ns FPM SIMM Memory RAM 4MB Silver PC 286 386 *Tested*

2x 4MB 72-Pin (8MB) Fast Page Non-Parity 1X32 SIMM RAM Memory Mac PC Unix Apple

(4) 1MB Parity SIPP Modules with SIMM Adapters 30-pin RAM Memory (4MB Total)

Keystron 4MB 4x9 60-ns 30-pin Fast Page FPM DRAM Parity SIMM Memory

HM514400BS7 4MB PS/2 FPM RAM SIMM 1Mx32 72-Pin Single Sided Hitachi Memory

TMS418160DZ-60 4MB PS/2 FPM RAM SIMM 1Mx32 72Pin Non-Parity Single Sided 60Ns

8MB Texas Instruments Fpm RAM Kit (2x 4MB) 72-Pin Simm Non-Parity TM124BBK32U-70

8MB Texas Instruments FPM RAM Kit (2X 4MB) 72-Pin PS/2 SIMM 1Mx32 TMS418160DZ-60

4x 1MB 30-Pin 3-chip Parity 70ns FPM 1Mx9 Memory SIMMs 4MB RAM Apple Mac PC

Hyundai HYM536100M 4MB PS/2 FPM RAM SIMM 1Mx36 72-Pin Memory Parity Vintage 70ns

Original IBM FRU 71F7011 8MB 70NS 72 PIN SIMM 2Mx36 PS2 Memory PS/2 RAM Parity

2x 4MB 30-Pin 3-Chip (Parity) 60ns 4Mx9 LC CC FPM Macintosh Memory 8MB Apple RAM

4MB (4 x 1MB) 30 Pin Simms 60ns (3 Chip) - Matched Sets - Total of 4 - 4MB

4x 1MB 30-Pin 3-Chip 60ns GOLD SIMM Memory Module RAM 4MB Gold PC 286 386

2 x 4MB 30-Pin 2-Chip 70ns FPM SIMM Memory RAM 8MB Non-Parity 286 386 *Tested*

30 Pin 4MB RAM (4x1MB Modules) Non Parity 5V 80ns NEC Memory *TESTED+REPORT*

4 x 1MB 80ns FPM SIMM Memory Module RAM 4MB Vintage PC 286 386 *TESTED*

4MB (4 x 1MB) 30 Pin Simms 80ns (3 Chip) - Matched Sets - Total of 4 - 4MB

4MB RAM Single Sided EDO Memory 72Pin SIMM Storage 1Mx32 70ns Non Parity

8MB 2x4MB 30-Pin 9-chip 60ns Parity FPM Memory SIMM

4x 1MB 30-Pin 2-Chip Non-Parity 60ns FPM Memory SIMM Apple Mac PC

4pc Set 1MB 30-Pin 4MB 8-chip Non-Parity FPM SIMM MACINTOSH SE Plus Apple Amiga

Hitachi HM514400BLS7 4MB PS/2 FPM RAM SIMM 1Mx32 72-Pin Memory Single Sided

4 x 1MB 30-Pin 2-Chip 70ns FPM SIMM Memory RAM 4MB Silver PC 286 386 *Tested*

4 x 1MB 70ns FPM SIMM Gold Memory Module RAM 4MB PC 286 386 *TESTED*

8MB 2x4MB 30-Pin 3-Chip (Parity) 60ns 4Mx9 FPM for Macintosh Classic II

8MB 2X4MB RAM Memory Upgrade ENSONIQ Emu E-mu ASR-10 ASR10 TS10 SAMPLER TESTED

NEW Atari 520 1040 Mega STE TT 80ns Fast Nibble Mode 30 Pin SIMMS 4 x 1MB = 4MB

2x 4MB 30-Pin 3-Chip Parity 70ns 4Mx9 LC CC FPM Memory 8MB Apple Mac LC RAM

Tc514400Asj-70 4Mb Ps/2 Fpm Ram Simm 1Mx32 72-Pin Memory Single Sided Toshiba

VG264400BJ-7 4MB PS/2 FPM RAM SIMM 1Mx32 72-Pin Non-Parity Single Sided Vanguard

Fujitsu MB85341 Compaq 172707-002 SIMM RAM 72 Pin Module 4MB 70ns

4MB 30pin FAST PAGE FP FPM SIMM RAM MEMORY with parity 4x9 30-pin 60-ns

NEW Sealed Vintage Apple Macintosh Memory Expansion Kit M5952LL/A 4MB Kit NOS

HYM361120GS-70 4MB PS/2 FPM RAM SIMM 1Mx36 72-Pin Memory Parity Siemens 70NS

New Listing8MB Kit (2x 4MB) Samsung FPM RAM 72P PS/2 SIMM Kingston Memory KMM5321000CV-7

Hyb514400Bj-70 4Mb Ps/2 Fpm Ram Simm 1Mx32 72-Pin Memory Single Sided Siemens

NEC 4218160-60 8MB PS/2 FPM RAM SIMM 2Mx32 72Pin Non-Parity FastPage Memory 60Ns

MT4C4001JDJ-6 4MB PS/2 FPM RAM SIMM 1Mx32 72-Pin Memory Single Sided 60Ns Micron

GM71C4400BJ70 4MB PS/2 FPM RAM SIMM 1Mx32 72-Pin Memory Single Sided Goldstar

4MB THM94000AS-80 30-Pin SIMM FPM Parity RAM 4Mx9 5V 80NS Toshiba Vintage Memory

4MB (4 x 1MB) 30 Pin Simms Unmatched Sets - Total of 4 - Various Speeds & Chips

Hitachi HM514400AS7 4MB PS/2 FPM RAM SIMM 1Mx32 72-Pin Memory Single Sided 70ns

2x 4MB 30-Pin 3-Chip 60ns FPM SIMM Memory Module RAM Vintage PC 286 386 *Tested*

4 x 1MB 70ns FPM SIMM Silver Memory Module RAM 4MB PC 286 386 *TESTED*

More to explore

4MB 4 x 1MB 30-Pin 8 Chip Parity SIMM 80ns SILVER RAM Memory TESTED

8MB 2x4MB 30-Pin SIMM 70ns SILVER 9bit FPM Memory PC, IBM 286/386 TESTED

4MB 4 x 1MB 30-Pin SIMM 100ns SILVER MCM91000S Memory PC, IBM 286/386 TESTED

4 x 1MB 30-Pin 2-Chip 70ns FPM SIMM Memory RAM 4MB Gold PC 286 386 Tested

4 x 1MB 30-Pin 3-Chip 80ns FPM SIMM Memory RAM 4MB Silver PC 286 386 Tested

2 x 4MB 30-Pin 2-Chip 70ns FPM SIMM Memory RAM 8MB Non-Parity 286 386 Tested

30 Pin 4MB RAM (4x1MB Modules) Non Parity 5V 80ns NEC Memory TESTED+REPORT

4 x 1MB 80ns FPM SIMM Memory Module RAM 4MB Vintage PC 286 386 TESTED

4 x 1MB 30-Pin 2-Chip 70ns FPM SIMM Memory RAM 4MB Silver PC 286 386 Tested

4 x 1MB 70ns FPM SIMM Gold Memory Module RAM 4MB PC 286 386 TESTED

2x 4MB 30-Pin 3-Chip 60ns FPM SIMM Memory Module RAM Vintage PC 286 386 Tested

4 x 1MB 70ns FPM SIMM Silver Memory Module RAM 4MB PC 286 386 TESTED