15
System
TS-1635
HS-210
CPU
Quad-core Annapurna
Labs Alpine AL-514
1.7GHz Cortex-A15
Marvell 1.6GHz
Memory
8GB/16GB DDR3
(Expandable RAM, up
to 16GB)
512MB DDR3
Flash
512MB
16MB
Memory
replaceable
✔
(Compatible with
DDR3 RAM)
-
Number of RAM
slots
2 (SODIMM)
-
Number of hard
drive slots
16
2
PCI-E expansion
slot
1
Built-in 10GbE LAN
ports
2 x SFP+
System
TS-451U
TS-453U
TS-453U-RP
CPU
Dual-core Intel
®
Celeron™ 2.41GHz
(up to 2.58GHz)
Quad-core Intel
®
Celeron™ 2.0GHz (up
to 2.42GHz)
Quad-core Intel
®
Celeron™ 2.0GHz (up
to 2.42GHz)
Memory
1GB DDR3L
(Expandable RAM, up
to 8GB)
4GB/8GB DDR3L
(Expandable RAM, up
to 8GB)
4GB/8GB DDR3L
(Expandable RAM, up
to 8GB)
Flash
512MB (USB DOM)
512MB (USB DOM)
512MB (USB DOM)
Memory
replaceable
✔
(Compatible with
DDR3L RAM)
✔
(Compatible with
DDR3LRAM)
✔
(Compatible with
DDR3L RAM)
Number of RAM
slots
2 (SODIMM)
2 (SODIMM)
2 (SODIMM)
Number of hard
drive slots
4
4
4
Power supply unit
250W
250W
2 x 250W