PC Hardware A Beginner’s Guide

Chapter 7: Computer Memory^143

Memory Module D x W Memory Size (MB)

1 x 9 1

2 x 9 2

4 x 9 4

16 x 9 16

72-pin SIMM

(without parity)

1 x 32 4

2 x 32 8

4 x 32 16

8 x 32 32

16 x 32 64

72-pin SIMM

(parity)

256K x 36 1

512K x 36 2

1 x 36 4

2 x 36 8

4 x 36 16

8 x 36 32

16 x 36 64

168-pin DIMM

(without parity)

8 x 32 32

4 x 64 32

16 x 32 64

8 x 64 64

16 x 64 128

168-pin DIMM

(parity)

4 x 72 32

8 x 72 64

16 x 72 128

Table 7-5. Storage Capacities for Common SIMM and DIMM Modules(continued)