Used Dell PowerEdge R7525 2U 2x EPYC 7543 1TB DDR4 25G iDRAC9
Dell PowerEdge R7525 2U Rack Server — Dual AMD EPYC 7543, 1TB DDR4
Fully configured unit — 2x AMD EPYC 7543 · 16x 64GB DDR4-3200 RDIMM (1TB) · 2x 480GB SATA SSD · SAS HBA · Broadcom 57414 dual-port 10/25GbE · Broadcom 5720 dual-port 1GbE · iDRAC9 Enterprise · 2x 800W redundant PSU · rails included.
In stock. This R7525 configuration is in stock and available to quote now. Availability is confirmed per part number when you send your enquiry, and pricing is quoted for your quantity and destination — we do not publish prices.
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Quick answer: This is a used Dell PowerEdge R7525, the 2U dual-socket 15th-generation AMD platform, fitted with two 32-core AMD EPYC 7543 processors, 1TB of DDR4-3200 memory across 16 DIMMs, two 480GB SATA SSDs on a dedicated SAS HBA, a Broadcom 57414 dual-port 10/25GbE adapter and a Broadcom 5720 dual-port 1GbE adapter, with iDRAC9 Enterprise, dual 800W power supplies and rails. It is bench-tested on our own line, carries a 90-day warranty from delivery, and is quoted per unit or per volume order.
The Dell PowerEdge R7525 is Dell's dual-socket AMD EPYC server in the 15th generation — two SP3 sockets, 32 DIMM slots, eight memory channels per socket, PCIe 4.0 throughout, and enough room in the 2U chassis for 24 small-form-factor drives or a set of double-width accelerators. On the used market it is the platform buyers reach for when they want core density and memory bandwidth per rack unit rather than the Intel ecosystem's single-thread advantage.
This unit carries two EPYC 7543 processors — 32 cores and 64 threads each, 2.8GHz base, 256MB of L3 cache, 225W — for 64 cores and 128 threads in one 2U chassis. All 16 populated DIMM slots carry 64GB DDR4-3200 RDIMMs, giving 1TB of memory, with 16 slots still free if you want to expand later. That combination is what makes the R7525 worth having: 64 cores fed by 1TB of eight-channel memory is a density profile you cannot reach on a four-channel platform.
What's included
- 2 x AMD EPYC 7543 — 32 cores / 64 threads each, 2.8GHz base, 256MB L3, 225W (64 cores / 128 threads total)
- 16 x 64GB DDR4-3200 RDIMM — 1TB installed, 16 of 32 slots populated
- 2 x 480GB SATA SSD — 2.5" hot-plug, mounted in the front bay
- SAS HBA — dedicated host bus adapter for the internal drives (card confirmed per unit)
- Broadcom 57414 dual-port 10/25GbE — SFP28, for east-west and storage traffic
- Broadcom 5720 dual-port 1GbE — management and out-of-band network
- iDRAC9 Enterprise — remote console, virtual media, power control
- 2 x 800W hot-plug redundant power supplies
- Rack rails included with this unit
- 2U chassis with front hot-plug drive bays (2 occupied by the SSDs)
What's not included
- Operating system and licences — install your own
- Additional drives and GPU accelerators — we can quote them if you need them
- Bezel and cable management arm — ask and we will confirm what is available with the unit we hold
Specifications
| Specification | Details |
|---|---|
| Model | Dell PowerEdge R7525 |
| Form factor | 2U rack, dual socket (AMD SP3) |
| Processor | 2 x AMD EPYC 7543 — 32C / 64T, 2.8GHz, 256MB L3, 225W (64C / 128T total) |
| Memory | 1TB installed — 16 x 64GB DDR4-3200 RDIMM, 8 channels per socket |
| Memory slots | 32 DIMM slots total, 16 populated, 16 free for expansion |
| Drive bays | 2U front hot-plug bays, SAS / SATA / NVMe depending on backplane |
| Drives fitted | 2 x 480GB SATA SSD 2.5" |
| Storage controller | SAS HBA — controller card confirmed with your quote |
| Network | Broadcom 57414 dual-port 10/25GbE SFP28 + Broadcom 5720 dual-port 1GbE |
| Management | iDRAC9 Enterprise, dedicated management port, remote console |
| Expansion | PCIe 4.0 risers, slots free for additional adapters or accelerators |
| Power | 2 x 800W hot-plug, redundant |
| Rails | Included with this unit |
| Condition | Used — bench-tested on our own test line |
| Warranty | 90-day warranty from delivery. |
Why the EPYC 7543 build is the interesting one
The 7543 is a 32-core Milan part with 256MB of L3 cache and 128 PCIe 4.0 lanes per socket. The cache is the number worth looking at: 256MB per processor means large working sets stay on-die, which is why this chip shows up in virtualisation hosts and in-memory database nodes rather than in pure clock-speed workloads. Two of them give you 512MB of aggregate L3 and 256 PCIe 4.0 lanes across the chassis — headroom for NVMe backplanes and accelerators that a 1U or a four-channel platform cannot offer.
Memory is where this unit differs from most used R7525s on the market. Decommissioned units usually arrive with a fraction of the DIMMs left in place, because memory is the first thing stripped before resale. Here, 16 of the 32 slots are filled with 64GB DDR4-3200 — one DIMM per channel across all eight channels on both sockets, which is the population that lets the platform run at full eight-channel bandwidth. The remaining 16 slots are free, so you can double to 2TB later without replacing anything you already paid for.
The two Broadcom adapters cover the two network jobs separately. The 57414 is the data path: dual SFP28 ports running 10GbE or 25GbE depending on optics and switch. The 5720 is the housekeeping path: dual 1GbE ports for management, PXE, and out-of-band access, kept off the fast fabric. Using a dedicated 1GbE pair for management rather than VLAN-sharing the 25G links is still the cleaner pattern in most enterprise networks.
R7525 vs the alternatives we also list
If you are comparing AMD platforms, our HPE ProLiant DL385 Gen10 Plus is the direct 2U EPYC competitor — same generation of AMD silicon, different management stack and a barebone starting point if you already hold processors and memory. If you would rather stay on Intel, the PowerEdge R760 is the 16th-generation 2U dual-socket alternative with DDR5 and PCIe 5.0, and the R650 is the 1U option when rack units are the constraint. For the full list, browse all used rack servers.
Why buy from Zhongxin Data
- In-house re-flash & testing — every unit runs on our own test line before it ships; we do not resell untested pallet lots.
- Photos of the actual unit on request — the image above is the reference image for this model. Ask and we will send photos of the specific unit offered, before you commit.
- Configuration confirmed in writing — processor model, DIMM population, drive health, HBA part number and rail availability are confirmed per unit, not assumed from the model name.
- Single units or volume — we quote one server or a rack of them, with volume tiers from 10 units.
- 90-day warranty from delivery.
Request a quote
This is a quote-based listing — there is no public price, because the price depends on quantity, destination, and whether you want the memory and drives as configured or adjusted. Send us the quantity, the destination country, and anything you want changed (more drives, different optics, a second unit for spare parts) and we will come back with pricing for that exact configuration. Quotes are valid for the day of issue.
WhatsApp +86 13068616914 — include the model, quantity and destination in your first message and we can answer in one round.
Frequently asked questions
Are both processors and all memory included?
Yes. Two AMD EPYC 7543 processors and 16 x 64GB DDR4-3200 RDIMMs (1TB total) are installed in this unit. If you want a lighter memory configuration to reduce cost, tell us the target capacity and we will quote it with the DIMMs adjusted.
Can the memory be expanded beyond 1TB?
Yes. The chassis has 32 DIMM slots and 16 are still free, so the unit can be taken to 2TB with another 16 x 64GB DDR4-3200 RDIMMs, keeping the existing modules in place. We can quote the additional memory with the server.
Which HBA is fitted, and does it do hardware RAID?
This unit carries a dedicated SAS host bus adapter for the internal drives — a pass-through HBA rather than a cached RAID controller, so RAID is normally handled in software (ZFS, mdadm, Storage Spaces). The exact card model is confirmed in writing with your quote so you can check driver support against your OS before you order.
What are the two network adapters for?
The Broadcom 57414 dual-port adapter is the data path at 10GbE or 25GbE SFP28, depending on the optics and switch. The Broadcom 5720 dual-port 1GbE adapter is for management and out-of-band access, kept separate from the fast fabric.
What is the drive health?
Drive wear and health data are read from each unit on our test line. Ask us and we will send the figures for the specific unit being offered, before you commit.
Are rails included?
Yes — rails are included with this unit. If your rack uses a specific rail kit type, tell us in the enquiry and we will confirm compatibility before shipping.
How do I get pricing?
Message WhatsApp +86 13068616914 with the model, quantity, and destination country. We quote against that configuration and the quote is valid for the day of issue.
Is this R7525 in stock?
Yes — this configuration is in stock. Send the quantity you need and the destination country and we will confirm availability for that quantity and quote the unit. If you want a different memory or drive configuration, ask before ordering: the unit is built to the configuration we confirm with you, and availability is checked per part number.