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81Y9878 - IBM Nearline 4TB SATA 6Gb/s 7200RPM 3.5" LFF Simple-Swap HDD
Product Overview
The IBM 81Y9878 is a 4TB enterprise-class hard drive designed for IBM System x server platforms and nearline storage workloads. Featuring a 6Gb/s SATA interface and 7200 RPM rotational speed, this 3.5-inch LFF simple-swap drive delivers reliable capacity storage for backup, archive, and secondary storage applications. TechSellerUSA supplies this part in tested and verified refurbished condition, for single units or volume orders.
Key Specifications
This drive features 64MB cache, 512-byte native sector format, and a sustained data rate optimized for nearline workloads. The 3.5-inch LFF form factor includes a simple-swap tray for IBM System x chassis installation. MTBF is rated at 1.2 million hours with 24/7 always-on operational support and rotational vibration safeguard for multi-drive enclosure environments.
What's Included / Condition
Each 81Y9878 ships in refurbished condition, function-tested prior to shipment, and covered by our standard 30-day warranty. For same-day dispatch, contact Sarah Jane at sarah.jane@techsellerusa.com.
Compatibility & Use Case
Compatible with IBM System x3300 M4, x3500 M4, x3630 M4, x3650 M4, and x3750 M4 platforms. Ideal for nearline storage, backup targets, archive workloads, file servers, and secondary storage tiers requiring high-capacity SATA storage.
| Identification | |
| SKU | 81Y9878 |
| Part Number (MPN) | 81Y9878 |
| Brand | IBM |
| Product Family | System x Nearline |
| Condition | Refurbished |
| Warranty | 30-day (TechSellerUSA) |
| Technical Specifications | |
| Capacity | 4 TB |
| Form Factor | 3.5-inch LFF Simple-Swap |
| Interface / Speed | SATA 6 Gb/s / 7,200 RPM |
| Rotational Speed | 7,200 RPM |
| Cache | 64 MB |
| Sector Size | 512 native |
| Speed / Read | Up to 175 MB/s |
| Sustained Transfer Rate | Up to 175 MB/s |
| Average Latency | 4.16 ms |
| MTBF | 1,200,000 hours |
| Power & Environmental | |
| Power Consumption | 9.5 W |
| Operating Temperature | 5°C to 55°C |
| Physical | |
| Tray Type | Simple-Swap |
| Weight | 2.0 lbs |
| Compatibility | |
| Compatible Platforms | IBM System x3300/x3500/x3630/x3650/x3750 |
Shipping Information
| Standard Shipping | Free Shipping upto 10LBS — 3 to 5 business days |
| Expedited Shipping | Rates calculated at checkout |
| Overnight | Rates calculated at checkout |
| Tracking | Email + SMS tracking for all orders |
| International | Available, rates calculated at checkout |
Returns Policy
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What procurement buyers ask first.
Everything you need to know about ordering IT hardware from TechSellerUSA. Can’t find your answer? Our team is one call away.
All U.S. and Canada orders are shipped via trusted carriers including USPS, UPS, FedEx, and DHL. International orders are dispatched through reliable global courier services such as DHL, FedEx, TNT, and Aramex, ensuring secure and timely delivery worldwide.
We offer a 30-day hassle-free return and replacement policy on eligible products. For brand-new items, any applicable manufacturer warranty (typically 6 months to 1 year) is passed directly to the customer for added peace of mind.
Most in-stock orders are shipped within 1–2 business days. Delivery times may vary depending on product availability, order volume, and destination. Expedited shipping options are available upon request.
Eligible items may be returned within 30 days of delivery. Once the returned item has been received and inspected, refunds are typically processed within 7 business days using the original payment method.
Yes. We specialize in business, enterprise, education, and government procurement. We offer competitive bulk pricing and accept Purchase Orders (POs) from qualified organizations. Contact sarah.jane@techsellerusa.com for a customized quote or volume discount.