12
System
TS-1679U-RP
TS-EC1679U-RP
CPU
Dual-core Intel
®
Core™
i3 3.30 GHz
Quad-core Intel
®
Xeon™ 3.20 GHz
Memory
4GB DDR3 RAM
4GB DDR3 ECC RAM
Flash
512MB (USB DOM)
512MB (USB DOM)
Memory replaceable
Yes
Yes
Number of
LONG-DIMM slot
4
4
Number of hard drive
slots
16
16
Number of expansion
slots
2
2
System
TS-451U
TS-453U
TS-453U-RP
CPU
Dual-core Intel
®
Celeron™ 2.41 GHz (up
to 2.58GHz)
Quad-core Intel
®
Celeron™ 2.0 GHz (up
to 2.41GHz)
Quad-core Intel
®
Celeron™ 2.0 GHz (up
to 2.41GHz)
Memory
1GB DDR3 (Expandable
RAM, up to 8GB)
4GB/8GB DDR3
(Expandable RAM, up to
8GB)
4GB/8GB DDR3
(Expandable RAM, up to
8GB)
Flash
512MB (USB DOM)
512MB (USB DOM)
512MB (USB DOM)
Memory replaceable
Yes (Compatible with
DDR3L-1333 RAM)
Yes (Compatible with
DDR3L-1333 RAM)
Yes (Compatible with
DDR3L-1333 RAM)
Number of SODIMM
slots
2
2
2
Number of hard drive
slots
4
4
4
Power supply unit
250W
250W
2 x 250W