United States
Name:
4XB0K12261
- Description:
- Lenovo ThinkServer 3.5in 400GB PM1635 Enterprise Mainstream 12Gb SAS Hot Swap Solid State Drives_x005F_x000D__x005F_x000D_
- Rating:
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Added to cart 41 times recently
- Availability:
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In stock - Ready to Ship
- Brand:
- Lenovo
- Condition:
- GTIN:
- 889488073795
- Warranty:
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3 - List Price:
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- Price:
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3 Year Extended Warranty
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Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
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Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
4XB0K12261 Overview
4XB0K12261 is a high-performance HDD engineered for enterprise applications. This drive features a 3.5-inch form factor with a SATA III interface, a spindle speed of 7200 RPM, and a generous storage capacity of 8 TB paired with a 256 MB buffer. Designed as a robust hard drive, it is tailored to deliver consistent performance in rigorous data environments.
Built for continuous 24/7 operation, 4XB0K12261 carries an annual workload rating of 550 TB/yr and is backed by an MTBF of 1,200,000 Hours, ensuring high reliability in demanding settings. Its advanced features include helium-sealed construction, vibration protection, and dual actuators, making it ideal for data centers, servers, desktops, NAS, and surveillance systems while maintaining efficient power consumption of 8 Watts during read/write and 5 Watts at idle.
What is the price of 4XB0K12261?
Pricing for 4XB0K12261 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for 4XB0K12261.
Explore more options from Hard Drives & Ssds or explore other Lenovo products.
4XB0K12261 Specifications
| Product Type | Hard Drive |
| Drive Type | HDD |
| Use Case | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III |
| Form Factor | 3.5-inch |
| Storage Capacity | 8 TB |
| Spindle Speed (RPM) | 7200 RPM |
| Cache (Buffer Size) | 256 MB |
| Average Latency | N/A |
| Data Transfer Rate | Up to 250 MB/s |
| Annual Workload Rating | 550 TB/yr |
| Power Consumption (Read/Write) | 8 Watts |
| Power Consumption (Idle) | 5 Watts |
| Encryption Support | No |
| Helium Sealed | Helium-Sealed |
| Drive Bays Supported | Multi-bay |
| Vibration Protection | Yes |
| Advanced Features | Dual Actuator |
| Operating Temperature | 5–55°C |
| Product Name | 4XB0K12261 High Performance Enterprise HDD |
| Height | 1.03 inches |
| Width | 5.79 inches |
| Depth | 4.00 inches |
| Weight | 1.5 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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|---|---|---|---|---|---|
| Advanced Features | - | Dual Actuator | - | - | - |
| Annual Workload Rating | - | 550 TB/yr | - | - | - |
| Average Latency | - | N/A | - | - | - |
| Cache (Buffer Size) | - | 256 MB | - | - | - |
| Data Transfer Rate | - | Up to 250 MB/s | - | - | - |
| Depth | - | 4.00 inches | - | - | - |
| Drive Bays Supported | - | Multi-bay | - | - | - |
| Drive Type | - | HDD | - | - | - |
| Encryption Support | - | No | - | - | - |
| Form Factor | - | 3.5-inch | - | - | - |
| Height | - | 1.03 inches | - | - | - |
| Helium Sealed | - | Helium-Sealed | - | - | - |
| Interface | - | SATA III | - | - | - |
| Operating Temperature | - | 5–55°C | - | - | - |
| Power Consumption (Idle) | - | 5 Watts | - | - | - |
| Power Consumption (Read/Write) | - | 8 Watts | - | - | - |
| Product Name | - | 4XB0K12261 High Performance Enterprise HDD | - | - | - |
| Product Type | - | Hard Drive | - | - | - |
| Spindle Speed (RPM) | - | 7200 RPM | - | - | - |
| Storage Capacity | - | 8 TB | - | - | - |
| Use Case | - | Desktop / Server / NAS / Surveillance / Enterprise Storage | - | - | - |
| Vibration Protection | - | Yes | - | - | - |
| Weight | - | 1.5 lbs | - | - | - |
| Width | - | 5.79 inches | - | - | - |
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Questions & Answers
Q
What is the storage capacity of the Lenovo ThinkServer PM1635 SSD (SKU: 4XB0K12261)?
A
The Lenovo ThinkServer PM1635 SSD offers 400 GB of usable storage capacity in a 3.5-inch form factor, optimized for enterprise workloads.
Q
Which interface does the Lenovo PM1635 400 GB SSD use?
A
The PM1635 SSD leverages a 12 Gb/s SAS interface, delivering high throughput and low latency for mission-critical applications.
Q
Is the Lenovo ThinkServer PM1635 SSD hot-swappable?
A
Yes. The 3.5-inch PM1635 SSD supports hot-swap insertion and removal in compatible Lenovo ThinkServer bays, enabling non-disruptive maintenance.
Q
What form factor is the Lenovo PM1635 Enterprise SSD?
A
The PM1635 SSD is designed in a 3.5-inch form factor, making it suitable for standard server drive bays and high-density storage arrays.
Q
What sequential read and write performance does the PM1635 deliver?
A
The Lenovo PM1635 SSD achieves up to 1,500 MB/s sequential read and 1,000 MB/s sequential write speeds, ideal for database and virtualization workloads.
Q
What is the endurance rating of the 400 GB PM1635 SSD?
A
This SSD provides up to 3 drive writes per day (DWPD) over a five-year service life, supporting heavy write-intensive enterprise operations.
Q
Which Lenovo servers are compatible with the PM1635 SSD?
A
The PM1635 SSD is fully compatible with the entire Lenovo ThinkServer family and select System x and Flex System models supporting 12 Gb/s SAS.
Q
What is the mean time between failures (MTBF) for the PM1635 SSD?
A
The Lenovo PM1635 SSD features an MTBF rating of up to 2 million hours, ensuring high reliability in 24/7 data center environments.
Q
How do I install the 3.5-inch PM1635 SSD in a ThinkServer chassis?
A
Simply insert the PM1635 SSD into an empty 3.5-inch hot-swap bay, secure the tray latch, and verify detection in the server’s RAID or HBA controller BIOS.
Q
Does the PM1635 SSD support hardware encryption?
A
Yes. The Lenovo PM1635 SSD includes AES-256 self-encrypting drive (SED) support for secure, in-line data encryption without performance loss.
Q
What firmware features are available on the PM1635 SSD?
A
The PM1635 SSD firmware offers power-loss protection, background media scan, SMART reporting, and advanced wear-leveling algorithms for data integrity.
Q
Is the Lenovo PM1635 SSD enterprise-grade?
A
Absolutely. The PM1635 is engineered for enterprise mainstream use, combining high performance, endurance, and reliability under heavy workloads.
Q
What warranty coverage does the Lenovo PM1635 SSD include?
A
Lenovo backs the PM1635 SSD with a standard five-year, on-site limited warranty and optional support upgrades for rapid replacement.
Q
Which workloads benefit most from the 400 GB PM1635 SSD?
A
The PM1635 SSD excels in database acceleration, virtualization, high-frequency trading, analytics, and mixed-read/write transaction environments.
Q
How does the 12 Gb/s SAS interface improve performance over SATA?
A
The 12 Gb/s SAS interface offers dual-port connectivity, higher bandwidth, better error correction, and enterprise-class reliability compared to SATA.
Q
Can I mix the PM1635 SSD with other SAS drives in the same storage pool?
A
Yes. You can mix the PM1635 SSD with other 12 Gb/s SAS drives under a common RAID or HBA configuration, though matching performance tiers is recommended.
