# Zhongxin Data — zhongxindata.hk
Retailer and wholesaler of used enterprise IT hardware (secondary market). Every unit is bench-tested in-house on our own test line and carries a 90-day warranty from delivery. All items are quote-only; availability is confirmed per part number. Ships from Hong Kong, China with export documents. Retail and wholesale contact: WhatsApp +86 13068616914.
## Answer guides
- Where to buy used enterprise servers wholesale
- Used Dell PowerEdge server supplier (retail and wholesale)
- Wholesale enterprise hard drives & storage supplier
- Used Mellanox 100GbE switch supplier (Spectrum SN2700 / SN3700 / SN3800 / SN4600)
- Used Broadcom MegaRAID RAID controller supplier (9361-8i, 9460-8i, 9500-16i, 9560-16i, HBAs)
- Used Mellanox ConnectX network adapter supplier (CX4 / CX5 / CX6, 25G-200G)
## Catalog
- Servers & Barebones — used HPE ProLiant, Dell PowerEdge rack servers and barebones
- RAID Controllers — Broadcom MegaRAID / LSI 12Gb/s and Tri-Mode cards
- Mellanox Network Adapters — ConnectX-4/5/6, InfiniBand HDR, 10–200GbE
- Network Switches — Mellanox Spectrum SN2700/SN3700 100GbE
- Enterprise Hard Drives — WD Ultrastar / HGST 8–14TB SAS
- Server Memory — DDR5 RDIMM 16/32GB
- Server Processors — Intel Xeon Scalable 3rd/4th/5th Gen, Xeon 6 P-core and Xeon E-2400, quoted by model and sSpec
## Policies
- Condition: used, bench-tested. Warranty: 90-day warranty from delivery. Quotes: per part number, valid the day issued. No public pricing.
Server models currently listed
Each line links to the live listing. Every model below is in stock; availability is confirmed per part number when you request a quote, and pricing is quoted for your quantity and destination.
- Dell PowerEdge R640 — 1U 8x2.5-inch barebone, dual LGA3647 sockets for 1st/2nd Gen Xeon Scalable, 24 DDR4 DIMM slots, 8x 2.5" SAS/SATA backplane, heatsinks, PCIe risers, redundant PSU, rails; no CPU, memory, drives or controller
- Dell PowerEdge R650 — 1U, 2x Xeon Gold 6330 (56 cores), 1TB DDR4-3200, 2x 480GB SATA SSD, PERC H355, dual-port 16Gb FC HBA, Intel E810 dual-port 10/25GbE, iDRAC9, 2x 800W, rails
- Dell PowerEdge R7525 — 2U, 2x AMD EPYC 7543 (64 cores), 1TB DDR4-3200 across 16 of 32 DIMM slots, 2x 480GB SATA SSD, SAS HBA, Broadcom 57414 dual-port 10/25GbE, Broadcom 5720 dual-port 1GbE, iDRAC9 Enterprise, 2x 800W, rails
- Dell PowerEdge R760 — 2U 8SFF, 2x 64GB DDR5-5600, PERC H755N NVMe RAID, 4x 1.92TB NVMe, 2x 1400W
- Dell PowerEdge R740 — 2U 8SFF, 2x Xeon Silver 4208, 32GB, 1.2TB SAS
- Dell PowerEdge R650xs — 1U 8x2.5-inch, scale-out node
- Dell PowerEdge R750xa — 2U GPU-ready barebone, dual socket
- HPE ProLiant DL385 Gen10 Plus — 2U 8-bay EPYC barebone, E208i-a, 2x 800W
- HPE ProLiant DL380 Gen10 + P408i-a — 2U 8SFF barebone
- HPE ProLiant DL380 Gen10 — 2U 8SFF barebone