This is from a comparison sheet I picked up at Microsoft Exchange Conference this year.
| Features/Specs | Kemp LM2600 |
F5 BIG-IP LTM 1600 |
Kemp LM5300 |
F5 BIG-IP LTM 3600 |
F5 BIG-IP LTM 6900 |
| List Price-Single Unit | $5,800 |
$15,000 |
$13,000 |
$24,000 |
$45,000 |
| List Price-Redundant (HA) Config | $11,780 |
$30,000 |
$26,000 |
$48,000 |
$90,000 |
| 1st Year Hardware Maintenance and Support | Included |
Extra Cost |
Included |
Extra Cost |
Extra Cost |
| Max Traffic Throughput | 1.7Gbps |
750Mbps |
8.8Gbps |
1.5Gbps |
6Gbps |
| Gigabit Ethernet CU Ports | 4 |
4 |
8 |
4 |
16 |
| Gigabit Fiber (SFP) Ports | N/A |
2 (Optional) |
N/A |
2 (Optional) |
4 (Included) |
| 10 Gigabit Ports | N/A |
N/A |
2 (Standard) |
N/A |
N/A |
| Included SSL TPS | 2,000 |
500 |
9,300 |
500 |
500 |
| Optional (Extra Cost) SSL TPS |
|
5,000 |
|
10,000 |
25,000 |
| Processor | Dual Core |
Dual Core |
1 x Quad Core |
Dual Core |
2 x Quad Core |
| Memory (Standard/Optional) | 2GB |
4GB |
8GB |
4GB |
8GB |
| System Storage | Solid State CF |
Hard Drive |
Solid State CF |
Hard Drive |
2 x Hard Drive |
| Standard Power Supply | One 200W |
One 300W |
2 x 200W, Hot Swap |
One 300W |
2 x 850W |