AMD EPYC 7543
32 cores / 64 threads of Milan compute at the highest base clock in the lineup — 2.8GHz, 256MB L3, PCIe Gen4, 225W. The balanced 2P value pick for virtualization, database, and edge hosts. Tested and shipped from Hong Kong.
Fully Tested & Documented · Hong Kong Warehouse Stock · Worldwide Shipping 3–7 Days · 1-Year Warranty
Hardware Gallery
The EPYC 7543, Up Close
EPYC 7543 — 32-Core Milan
Zen 3 architecture, 32 cores / 64 threads, 2.8GHz base and 3.7GHz boost. The top-view photo confirms OPN 100-000000345 — the dual-socket 7543, our most-quoted 32-core Milan part.
Retail-Channel Reference — Certified Refurbished
Reference image from an R2-certified refurbisher listing (TechMikeNY, in stock August 2026). Expect this finish on certified units: clean IHS, no thermal-paste damage, verified OPN.
32
cores / 64 threads (Zen 3)
256MB
L3 cache
3.7GHz
max boost
PCIe 4
128 lanes
Key Specifications
| Component | Specification |
|---|---|
| Processor | AMD EPYC 7543 (Milan) |
| Cores / Threads | 32 cores / 64 threads |
| Base / Boost Clock | 2.8GHz base / 3.7GHz max boost |
| Cache | 256MB L3 + 32MB L2 |
| Socket | SP3 (LGA 4094) |
| PCIe | PCIe Gen4, 128 lanes |
| Memory | 8-channel DDR4-3200 |
| TDP | 225W (configurable 200–240W) |
The 32-core Milan sweet spot — the highest base clock in the EPYC 7003 lineup. For maximum per-socket density, step up to the EPYC 7763 (64 cores); the next generation, EPYC 9654 (Genoa), moves to DDR5 and the SP5 platform. All Milan parts rotate through our AMD EPYC stock.
Transparent Pricing
2026 Reference Pricing by Configuration
Tracked live on Aug 17, 2026 — nine asking-price data points across eBay retail sellers and a certified refurbisher. Volume orders quote below asking.
Used EPYC 7543 (2P Model)
$695–$890
The dual-socket 7543, OPN 100-000000345 — four live used-retail listings tracked Aug 17, 2026 (median ≈$800). Our most-quoted 32-core Milan part.
EPYC 7543P (Single-Socket)
$750–$1,025
The 1P variant for single-socket boards — identical 32 cores / 64 threads, priced a little higher in the used market because 1P demand is steady. Tell us your board and we supply the right SKU.
Certified Refurbished
$994.95
R2-certified refurbisher retail (TechMikeNY, in stock Aug 17, 2026) with retail warranty — the option when you want vendor-level assurance rather than a bare pull.
Asking prices, not transaction prices — volume deals typically close 5–15% below asking. Sources: ebay.com seller listings, techmikeny.com. Collected Aug 17, 2026. The 7543 (2P) and 7543P (1P) are distinct SKUs with separate price bands. Full dataset: Used Server Price Index.
Origin
Hong Kong Warehouse
Free port — full export documentation
Transit
3–7 Days Air Freight
Tracked, insured, worldwide
Warranty
1-Year Warranty
Diagnostic report in every box
Quality Process
What We Test Before an EPYC 7543 Ships
OPN & Variant Match
OPN 100-000000345 (7543) or 100-000000532 (7543P) verified against the label — we never mix 1P and 2P SKUs in a matched pair.
Pin & Substrate Inspection
Every LGA4094 pad inspected under magnification for bent pins or thermal-paste contamination.
Boot & Core Test
Full 32-core POST and stress pass on a reference SP3 board — all cores and all eight memory channels exercised.
Thermal Behavior
Under-load temperature logged to flag units with degraded heat-spreader contact.
Firmware & Microcode
Compatible AGESA/microcode confirmed against your target board family where known.
Report in the Box
Every unit ships with its per-machine diagnostic report and warranty. Full process: inspection guide.
Frequently Asked Questions
How much does a refurbished AMD EPYC 7543 cost in 2026?
Used retail 7543 (2P) is running $695–$890, the single-socket 7543P $750–$1,025, and certified refurbished retail $994.95 (Aug 17, 2026 asking-price snapshot; sources listed under the price cards). Volume orders quote below asking.
What is the difference between EPYC 7543 and EPYC 7763?
Both are Milan (Zen 3) on the SP3 socket. The 7763 doubles the core count — 64C/128T at 280W — and costs meaningfully more per CPU. The 7543 keeps the same 256MB L3 cache, runs the highest base clock in the lineup (2.8GHz) at just 225W, and is the better per-socket value in dual-socket builds where your workload spreads across two cheaper CPUs. Choose 7543 for balanced 2P density at lower cost; choose 7763 when you need maximum cores per socket.
What is the difference between EPYC 7543 and EPYC 7543P?
Identical silicon and clocks; the 7543P is the single-socket (1P) SKU and only works on 1P boards, while the 7543 runs on both 1P and 2P boards. 7543P parts typically carry a small premium in the used market. Tell us your platform and we supply the right variant.
What condition are HKCHL refurbished EPYC 7543 CPUs in?
Every unit is a tested pull from decommissioned servers: OPN and stepping verified against the label, LGA4094 pads inspected, a full 32-core POST and stress pass on a reference SP3 board, and thermal behavior logged. Matched pairs are reserved from the same batch for dual-socket builds, and each CPU ships with its diagnostic report and warranty.
Can you ship EPYC 7543 to the US, Europe, or Asia?
Yes — worldwide shipping from our Hong Kong warehouse with full export documentation; express air-freight typically arrives in 3–7 days to major markets. For volume or multi-SKU orders we combine freight with memory and server chassis to reduce per-unit cost.
Get a Current EPYC 7543 Quote
Tell us quantity and whether you need the 2P 7543 or 1P 7543P — we confirm availability, reserve matched steppings for dual-socket boards, and ship worldwide from Hong Kong, usually within one business day.
Request a Quote