Airflow
Back-to-front airflow (fan assemblies and the power supplies are color coded blue)
Chassis dimensions
1.75 x 17.25 x 21 in. (4.4 x 43.8 x 53.3 cm) (H x W x D)
Chassis weight
·20 lb (9.07 kg) (without power supplies)·22 lb (9.98 kg) (with one power supply installed)·24 lb (10.89 kg) (with two power supplies installed)
CPU
Dual Core 1.5 GHz
Dual Power Supply
Yes
Expansion Module (Optional)
8x10 GE SFP+/SFP - C4KX-NM-8SFP+
Expansion Slot Type
SFP+
Fan Redundancy
No performance impact with single fan failure
Field Replaceable Fans
Yes (5 fans)
Flexible Netflow Entries
128K
Forwarding Entries
16x10 GE Port Base SKU
Management Port
10/100/1000 Base-T
Mean time between failures (MTBF)
199,720 h
Number of Total Expansion Slots
40
NVRAM
2 GB
Onboard Memory (SRAM DDR-II)
4 GB
Optional External Memory (SD Card)
2 GB
PoE (RJ-45) Port
No
Port buffers
32-MB Shared Memory
Product Code
WS-C4500X-40X-ES
Product Type
Layer 3 Switch
Shared SFP Slot
No
System power consumption
330W nominal/400W max·Power supplies, either AC-input or DC-input, are not included in the basic configuration; they are ordered separately
System Throughput
Up to 800 Gbps
USB Port
Type A (storage and boot) up-to 4 GB