Sourced for enterprise IT teams, the 3CRS48G-24-91-US (3CRS48G-24-91-US - 3Com 4800G 24-port Ethernet Switch 4 x SFP Shared, 2 x X2 24 x 10/100/1000Base-T LAN) is a Network Switches component appropriate for new-build, expansion, or warranty-replacement procurement. Technical specifications include ports of 24. Appropriate for enterprise core-aggregation tier, hyperscale leaf-spine fabric expansion, EVE-NG / GNS3 lab environments at scale, and matched-pair high-availability switching deployments. Pro Disk Network supplies the 3CRS48G-24-91-US to US business buyers. Stocked units ship same-day on in-stock orders placed before 3pm ET. Pro Disk Network applies a 90-day functional warranty. Free US ground shipping on orders over $150; same-day expedited (UPS Next Day Air, FedEx Priority) available at checkout.
The 3CRS48G-24-91-US is a enterprise-grade network switches component with ports 24. Pricing on the 3CRS48G-24-91-US is quote-based — email sales@prodisknetwork.com or use our live chat for a quote within one business day.
Reviewed By
Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the 3CRS48G-24-91-US are shown on this page.
Trust Signals
US-based LLC — 7345 W Sand Lake Rd, STE 210, Office 3208, Orlando, FL 32819
Same-Day US Shipping — orders before 3pm ET ship today via UPS
30-Day Returns — pre-paid label on DOA and defective items
Quick Answer: Is the 3CRS48G-24-91-US compatible with my switch?
Pro Disk Network validates every 3CRS48G-24-91-US against the target switch's published compatibility matrix before shipment. If you let us know your switch model and firmware version, we will confirm fitment and code the module appropriately (Cisco-coded, Juniper-coded, HPE-coded, etc.) at no extra charge.
How fast does the 3CRS48G-24-91-US ship?
3CRS48G-24-91-US orders placed before 3 pm ET ship the same business day from US warehouses. Delivery is next business day to most metro ZIPs via FedEx/UPS overnight; ground delivery covers remaining US in 1-4 business days.
The 3CRS48G-24-91-US is deployed by US enterprises, MSPs, government, and education customers across multiple infrastructure scenarios. Below are the most common deployment patterns Pro Disk Network sees in real-world orders.
Server Uplink — 10G/25G server-to-leaf uplink — pair with matching DAC or AOC at the host NIC to avoid optic mismatch.
DCI (Data Center Interconnect) — Inter-DC routing or aggregation. LR4/LR8 transceivers for 10–80 km, ER4 for 40 km, ZR4 for coherent long-haul.
Campus Distribution — Catalyst-class campus distribution between IDF and MDF closets. PoE+ where wireless APs and IP phones share infrastructure.
Branch / Edge — Smaller form-factor switches and routers for branch sites. SD-WAN-compatible or static-VPN-attached as the architecture dictates.
What is the 3CRS48G-24-91-US?
The 3CRS48G-24-91-US is a enterprise networking device with ports 24, manufactured for enterprise IT deployments. Pro Disk Network ships this part new and certified-refurbished from our US warehouse with same-day dispatch on orders placed before 3 PM ET, backed by a 30-day return guarantee.
Pros & Cons of 3CRS48G-24-91-US
Pros
Matched-pair option for redundant link orders
Cabling and DAC/AOC labels clearly mark optic class
Cons
Refurbished switches may show minor rack-rail wear
Power supplies sold separately on certain SKUs
Long-haul ZR4/CFP4 modules subject to export-control screening
Frequently Asked Questions about 3CRS48G-24-91-US
Is the 3CRS48G-24-91-US a genuine part?
Yes. Pro Disk Network sources every 3CRS48G-24-91-US as factory-original inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
Is the 3CRS48G-24-91-US compatible with my switch?
Pro Disk Network validates every 3CRS48G-24-91-US against the target switch's published compatibility matrix before shipment. If you let us know your switch model and firmware version, we will confirm fitment and code the module appropriately (Cisco-coded, Juniper-coded, HPE-coded, etc.) at no extra charge.
How fast does the 3CRS48G-24-91-US ship?
3CRS48G-24-91-US orders placed before 3 pm ET ship the same business day from US warehouses. Delivery is next business day to most metro ZIPs via FedEx/UPS overnight; ground delivery covers remaining US in 1-4 business days.
What is the warranty on the 3CRS48G-24-91-US?
New 3CRS48G-24-91-US units carry the full manufacturer warranty (typically 1 to 5 years depending on product line). Refurbished and bulk-OEM units include a Pro Disk Network advance-replacement warranty (90 days refurbished). DOA replacement is free within 30 days of receipt.
Do you offer bulk pricing for the 3CRS48G-24-91-US?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
Other parts that share the 3CRS48G series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.
3CRS48G-24S-91 — 3CRS48G-24S-91 - 3Com E4800-24G-SFP 24-Ports Layer-4 Managed Stackable Gigabit Ethernet Switch with 8 x SFP (mini-GBIC) — $3,628.07
3CRS48G-48-91 — 3CRS48G-48-91 - 3Com 4800G-48 Gigabit Ethernet Switch 4 x SFP (mini-GBIC) 2 x Expansion Slot 48 x 10/100/1000Base-T — $248.00
3CRS48G-48P-91 — 3CRS48G-48P-91 - 3Com 4800G PWR 48-Ports Gigabit Ethernet Switch 4 x SFP (mini-GBIC) 2 x Expansion Slot 48 x 10/100/1000Base-T — $1,019.68
Pro Disk Network Buyer’s Guide: Network Switches
Optic Coding, Vendor Lock-In, and Multi-Vendor Compatibility
For Cisco IOS, IOS-XE, and NX-OS switches, the 3CRS48G-24-91-US works out-of-box if coded for Cisco; for Aruba ArubaOS-CX, code for HPE/Aruba; for Juniper Junos, code for Juniper. Pro Disk Network confirms the target vendor coding at order time and applies it before shipping. Misordered coding can be flashed in the field but the lead time is longer than ordering correctly the first time.
Bandwidth Sizing for Spine-Leaf, EVPN-VXLAN, and Hyperconverged Storage
Document optic types and bandwidth in your network drawings: SR-SR for intra-rack, LR-LR for inter-rack and DCI, ZR4 for long-haul coherent. Mismatched optic-distance ratings is the most common cause of intermittent link errors that look like cable problems but aren't.