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Arista • SKU DCS-7280DR3K-24
Arista DCS-7280DR3K-24 — 7280R3K
Arista 7280R3K, 24x400GbE QSFP-DD 1RU switch/router — large-scale route (K-profile, 5M IPv4 routes), configurable airflow/PSU base SKU (no -F/-R suffix = field-selectable fan/PSU trays)
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Download Arista datasheet ↗ via Official Arista Networks datasheet PDF, confirmed via multiple search results and mirrored at alldatasheet.com (DCS-7280DR3K-24-F, 26-page document)
What is the Arista DCS-7280DR3K-24?
Arista 7280R3K, 24x400GbE QSFP-DD 1RU switch/router — large-scale route (K-profile, 5M IPv4 routes), configurable airflow/PSU base SKU (no -F/-R suffix = field-selectable fan/PSU trays)
TFI supplies the DCS-7280DR3K-24 new and refurbished to South African businesses, each unit covered by warranty and optional SLA. As a B-BBEE Level 2 distributor we can quote stock, lead time and price — usually within the same business day.
Specifications
| ports | 24x 400GbE QSFP-DD (supports breakout to 25G/100G per port) |
|---|---|
| form factor | 1RU rack-mountable |
| switching capacity | 9.6 Tbps (bidirectional) |
| forwarding rate | 4 Bpps (4 billion packets per second) |
| buffer | Up to 16GB ultra-deep packet buffer per system |
| route scale | Over 5M IPv4 unicast routes (K-profile large route); 384K MAC addresses; 100K+ ACL rules (algorithmic) |
| macsec | Line-rate AES-256 MACsec and IPsec encryption up to 21.6 Tbps (platform-level) |
| power supply | Dual AC (configurable; -F variant ships with PWR-1511-AC; typical draw ~560W, max PSU 1110W) |
| airflow | Configurable (base SKU — fan trays and PSUs selected separately; -F = front-to-rear, -R = rear-to-front) |
| stacking | Not applicable — modular spine/leaf design; supports multi-chassis LAG and MLAG for redundancy |
| eol status | No EoL/EoS announced as of June 2026; current product |
Frequently asked questions
- What is the Arista DCS-7280DR3K-24?
- Arista 7280R3K, 24x400GbE QSFP-DD 1RU switch/router — large-scale route (K-profile, 5M IPv4 routes), configurable airflow/PSU base SKU (no -F/-R suffix = field-selectable fan/PSU trays)
- Do you supply the DCS-7280DR3K-24 new or refurbished?
- TFI supplies the Arista DCS-7280DR3K-24 both new and professionally refurbished, each with warranty and SLA options. Tell us your preference when you request a quote.
- How many ports does the DCS-7280DR3K-24 have?
- Port configuration: 24x 400GbE QSFP-DD (supports breakout to 25G/100G per port).
- Can TFI deliver the DCS-7280DR3K-24 in South Africa?
- Yes. TFI is a South African distributor (B-BBEE Level 2) and ships the Arista DCS-7280DR3K-24 nationwide. Send us the SKU and we come back with stock, lead time and price — usually the same business day.
Also in the Arista 7280 Series Switches
-
DCS-7280CR-48
Arista 7280R Series (DCS-7280CR-48), 1RU fixed deep-buffer data-center switch/router with 48x 100GbE QSFP100 ports plus 8x 40GbE QSFP+ ports; dual AC power. End-of-sale.
-
DCS-7280CR2K-30
Arista 7280R2 Series 1RU data center switch/router — 30x 100GbE QSFP28 ports, AlgoMatch-2 hardware match engine, FlexRoute expanded memory (R2K = 2M+ IPv4 LPM routes), dual AC power supplies
-
DCS-7280CR3-32P4-M-FLX
Arista 7280R3 Series — 1RU fixed switch/router, 32x100GbE QSFP28 + 4x400GbE OSFP, expanded memory (256K+ routes), flexible/configurable airflow and dual AC PSU (FLX)
-
DCS-7280QR-C36
Arista 7280R Series 1RU data-center leaf/spine switch — 24x 40GbE QSFP+ and 12x 100GbE QSFP28 (36 total high-density ports), dual redundant AC PSUs, EOS-managed
-
DCS-7280QRA-C36S
Arista 7280RA 1RU data center switch/router — 36x 40GbE QSFP+ (flex-configurable as 18x 40GbE + 12x 100GbE QSFP28), AlgoMatch ASIC, configurable airflow/PSU, dual AC, no PoE
Verification sources (5)
- https://www.arista.com/assets/data/pdf/Datasheets/7280R3-Data-Sheet.pdf
- https://www.alldatasheet.com/html-pdf/2025016/ARISTA/DCS-7280DR3K-24-F/261/1/DCS-7280DR3K-24-F.html
- https://www.cdw.com/product/arista-7280dr3k-24-switch-24-ports-managed-rack-mountable/6051786
- https://www.arista.com/en/products/7280r3-series
- https://www.router-switch.com/arista-dcs-7280dr3k-24.html
Need pricing on DCS-7280DR3K-24?
Send us the SKU. We come back with stock, lead time and price — typically within the same business day.