The IBM 81Y4485 (81Y4485 - IBM ServeRAID M5100 Series 512MB Cache / RAID 5 Upgrade for System x) 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 cache of 512MB. 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. Pro Disk Network sources the 81Y4485 through authorised distribution channels and applies a verification check against the OEM compatibility matrix before each unit is added to active inventory. Each unit ships from a US fulfillment hub (Hillsboro OR, Atlanta GA, or Phoenix AZ) with same-day dispatch on in-stock orders before 3pm ET. Net 30 / Net 60 terms available for qualified business, government, and education accounts. 30-day Pro Disk Network functional warranty included; free US ground shipping on orders over $150.
The 81Y4485 is a IBM pc servers & software component with cache 512MB. Pro Disk Network sells the 81Y4485 for $186.00 with same-day US shipping and a 30-day free return guarantee.
Reviewed By
Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the 81Y4485 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 81Y4485 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 81Y4485 ship?
If in stock, the 81Y4485 ships same business day on US orders placed before 2 pm ET. Most US ZIP codes receive next-business-day or 2-day delivery via FedEx/UPS Ground or Express. Bulk and project orders shipping in pallets are typically dispatched within 24-48 hours.
The 81Y4485 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.
Virtualization Host — VMware ESXi, Microsoft Hyper-V, or Proxmox host with 2-CPU configuration. Sized for 50–200 VMs depending on workload mix.
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.
New, Bulk, or Refurbished — Choosing Your Tier
Pro Disk Network offers the 81Y4485 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 81Y4485
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 81Y4485 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%
$186.00
5+
4%
$178.56
10+
8%
$171.12
25+
13%
$161.82
50+
18%
$152.52
100+
23%
$143.22
What is the 81Y4485?
The 81Y4485 is a IBM rack-mount server chassis with cache 512MB, 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 81Y4485
Pros
Bulk-quantity pricing for 6+ unit orders
Direct-to-rack shipping on multi-pack orders
Sequential serial-number bundling for cluster builds
Cons
Not recommended for OLTP databases above 50 TPS
Mechanical drive — expect 5–10W idle power per unit
3.5" form factor only — confirm caddy fit before ordering
Frequently Asked Questions about 81Y4485
Is the 81Y4485 a genuine IBM part?
Yes. Pro Disk Network sources every 81Y4485 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 81Y4485 fit my system?
The 81Y4485 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 81Y4485 ship?
If in stock, the 81Y4485 ships same business day on US orders placed before 2 pm ET. Most US ZIP codes receive next-business-day or 2-day delivery via FedEx/UPS Ground or Express. Bulk and project orders shipping in pallets are typically dispatched within 24-48 hours.
What is the warranty on the 81Y4485?
New 81Y4485 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 81Y4485?
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.