The IBM 2857-003 (2857-003 - IBM SAS/SATA Expansion Unit for N3300 / N3700 / N5200 Series System) is a PC Servers & Software component engineered for sustained enterprise-class workloads. Manufactured to OEM specifications and tested for compatibility with IBM System x and Power Systems server platforms, this part addresses common procurement scenarios where exact-match replacement, capacity expansion, or new-build deployment is required. Technical specifications include interface of SAS. Common deployment scenarios include in-place server fleet refresh, expansion of existing virtualization clusters, new-build deployments for branch-office / edge-compute roles, and replacement-of-EOL infrastructure under existing service contracts. Our procurement team maintains active inventory of the 2857-003 and verifies condition, firmware revision, and OEM part-number registry alignment for each unit prior to sale. Stocked units ship same-day on in-stock orders placed before 3pm ET. Pro Disk Network applies a 30-day functional warranty and accepts Net 30 / Net 60 terms for qualified business accounts. Free US ground shipping on orders over $150; same-day expedited (UPS Next Day Air, FedEx Priority) available at checkout.
The 2857-003 is a IBM pc servers & software component with interface SAS. Pro Disk Network sells the 2857-003 for $134.40 with same-day US shipping and a 30-day free return guarantee.
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Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the 2857-003 verified against the manufacturer datasheet and our internal lab benchmarks.
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Same-Day US Shipping — orders before 3pm ET ship today via FedEx/UPS
30-Day Free Returns — pre-paid label included on all US orders
Net 30 Available — for verified business buyers
2,000+ B2B Customers — MSPs, government, education, enterprise IT
The 2857-003 is a IBM pc servers & software part. Email sales@prodisknetwork.com with your system make, model, and serial number - we will confirm compatibility and ship same-day if in stock.
How fast does the 2857-003 ship?
2857-003 orders placed before 2 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 2857-003 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.
Database Server — SQL Server, Oracle, or PostgreSQL server with dedicated all-flash storage. Single-purpose deployments for predictable IOPS.
Backup / DR Repository — Veeam, Rubrik, Commvault primary backup tier. High capacity, RAID 6 over many spinning drives or large SSDs.
AI / ML Training — GPU-equipped chassis for PyTorch, TensorFlow, Hugging Face training runs. Verify PCIe lane allocation per GPU.
Branch / Office Server — Smaller-form remote office server for AD DC, file share, print server roles.
New, Bulk, or Refurbished — Choosing Your Tier
Pro Disk Network offers the 2857-003 across three procurement tiers. Each tier is fully functional and warranted; the choice comes down to budget, warranty length, and whether the deployment is production-critical or capacity-expansion.
Tier
Discount vs OEM List
Warranty
Best For
New (Sealed OEM)
25–40%
IBM manufacturer warranty (1–5 yr)
Production-critical first-tier
New (Bulk OEM)
50–65%
3-year Pro Disk Network warranty
New cluster builds, secondary tier
Refurbished
75–85%
12-month advance replacement
Capacity expansion, lab, dev/test, EOL refresh
Bulk & Volume Pricing for 2857-003
Ships from our Orlando, FL warehouse — same-day US dispatch on orders placed before 2pm ET. Net 30 terms available for verified businesses, government and education.
Volume discounts on the 2857-003 are automatic at checkout. Net 30 terms available for verified businesses, government, and education. Email sales@prodisknetwork.com for orders above 100 units.
Quantity
Discount
Unit Price
1
0%
$134.40
5+
4%
$129.02
10+
8%
$123.65
25+
13%
$116.93
50+
18%
$110.21
100+
23%
$103.49
What is the 2857-003?
The 2857-003 is a IBM rack-mount server chassis with interface SAS, manufactured by IBM. 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 2857-003
Pros
Drop-in replacement for failed array members
Tested in our lab against original equipment specs
Free 30-day return window covers DOA + fit issues
Cons
Refurbished tier reseals — original retail box not included
Single-drive purchases ship in static-shield bags, not retail packaging
Lead time on 24+ drive orders may extend 2–4 business days
Frequently Asked Questions about 2857-003
Is the 2857-003 a genuine IBM part?
Yes. Pro Disk Network sources every 2857-003 as factory-original IBM inventory verified against the manufacturer parts registry before listing. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned IBM servers, surface-tested, and re-warranted by Pro Disk Network for 12 months.
Will the 2857-003 fit my system?
The 2857-003 is a IBM pc servers & software part. Email sales@prodisknetwork.com with your system make, model, and serial number - we will confirm compatibility and ship same-day if in stock.
How fast does the 2857-003 ship?
2857-003 orders placed before 2 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 2857-003?
New 2857-003 units carry the full IBM manufacturer warranty (typically 1 to 5 years depending on product line). Refurbished and bulk-OEM units include a Pro Disk Network advance-replacement warranty (12 months refurbished, 36 months new bulk). DOA replacement is free within 30 days of receipt.
Do you offer bulk pricing for the 2857-003?
Yes. Pro Disk Network offers automatic volume discounts at 10, 25, 50, and 100+ unit tiers. Net 30 terms are available for verified businesses, government, and education buyers. Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.