Memory configuration
Memory type
Standard DRAM (MB)
Optional memory (MB)
(100 pin DDR SDRAM unbuffered DIMMs)
Maximum (MB)
Optional flash memory
Note: One firmware card and one flash memory card are supported. Either slot supports both card types.
Depending upon the options and features used, additional memory may be required to optimize performance.
Available memory options
Optional 128MB, 256MB, and 512MB SDRAM DIMMs are available from Dell. The memory options are
168-pin synchronous DRAM DIMMs.
Flash memory options include 32MB and 64MB.
Operating clearances
Printer side
Left and right side
Front
Rear
Top*
* Allow clearance above the printer front door clearance and for adding
options, such as additional input drawers, output expander, high-capacity
output stacker, or StapleSmart finisher.
T640,
T640n
64
576
32 and 64 MB available
Measurement
12 in. (30.48 cm)
20 in. (50.8 cm)
12 in. (30.48 cm)
54 in. (137.16 cm)
Models
T642,
T642n (5210n)
128
128, 256, and 512MB available
640
General information
T644,
T644n (5310n)
128
640
1-5