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Name:
861693-B21
- Description:
- KIT HP 4TB 6G SATA 7.2K 3.5IN 512E MDL LP HDD FIO
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3 Year Extended Warranty
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Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
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.
Service Boundaries & Exclusions
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.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
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
861693-B21 Overview
861693-B21 is a high-performance HDD designed in a 3.5-inch form factor with a SATA III interface, featuring a spindle speed of 7200 RPM, a storage capacity of 4 TB, and a robust 256 MB cache. This drive is engineered with a 300 TB/yr annual workload rating and an MTBF of 1,000,000 hours, ensuring long-term reliability for applications requiring rated operation hours.
Optimized for server and NAS usage with multi-bay support, 861693-B21 offers low power consumption—with 8 Watts during active read/write operations and 5 Watts when idle—advanced helium-sealed technology, vibration protection, and a dual actuator system. The drive is perfectly suited for data centers, desktops, NAS systems, and surveillance environments.
What is the price of 861693-B21?
Pricing for 861693-B21 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for 861693-B21.
Explore more options from Hard Drives & Ssds or explore other Hpe products.
861693-B21 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 | 4 TB |
| Spindle Speed (RPM) | 7200 RPM |
| Cache (Buffer Size) | 256 MB |
| Average Latency | N/A |
| Data Transfer Rate | Up to 210 MB/s |
| Annual Workload Rating | 300 TB/yr |
| Power Consumption (Read/Write) | 8 Watts |
| Power Consumption (Idle) | 5 Watts |
| Encryption Support | AES 256-bit |
| Helium Sealed | Helium-Sealed |
| Drive Bays Supported | Multi-bay |
| Vibration Protection | Yes |
| Advanced Features | Dual Actuator |
| Operating Temperature | 5–60°C |
| Product Name | 861693-B21 Enterprise HDD |
| Height | 1.0 inches |
| Width | 5.9 inches |
| Depth | 4.0 inches |
| Weight | 1.65 lbs |
861693-B21 Use Case
Enterprise Virtual Machine Consolidation on ProLiant Servers
Integrate the HP 861693-B21-KIT 4TB 6G SATA 7.2K 3.5in 512E MDL LP HDD FIO into HPE ProLiant DL380 or DL360 hosts to support dense VMware vSphere or Hyper-V clusters with consistent 6 Gb/s throughput. Benefit: Delivers reliable, high-capacity storage that maximizes VM consolidation ratios, lowers cost per VM and ensures predictable I/O performance for mission-critical workloads.
High-Density Backup and Archival Storage for SMB Environments
Deploy the HP 861693-B21-KIT 4TB 6G SATA 7.2K 3.5in 512E MDL LP HDD FIO in HPE StoreOnce or tape-library target servers to retain full and incremental backups across distributed offices. Benefit: Provides a low-cost, high-capacity tier that extends data retention windows, accelerates backup and recovery SLAs, and reduces total cost of ownership for small to mid-sized businesses.
24/7 Video Surveillance Recording in Networked NVR Systems
Install the HP 861693-B21-KIT 4TB 6G SATA 7.2K 3.5in 512E MDL LP HDD FIO in rack-mount NVR appliances to capture continuous high-definition video streams from multi-camera deployments. Benefit: Ensures sustained write performance for uninterrupted recording, simplifies storage scaling as camera counts grow, and enables fast retrieval for security audits.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Advanced Features | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator |
| Annual Workload Rating | 180 TB/yr | 300 TB/yr | 550 TB/yr | 300 TB/yr | 550 TB/yr |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Cache (Buffer Size) | 256 MB | 256 MB | 512 MB | 256 MB | 512 MB |
| Data Transfer Rate | Up to 210 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 210 MB/s | Up to 250 MB/s |
| Depth | 4.01 inches | 4.0 inches | 4.01 inches | 4.00 inches | 4.01 inches |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Encryption Support | SED | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Height | 1.03 inches | 1.0 inches | 1.03 inches | 1.63 inches | 1.04 inches |
| Helium Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed |
| Interface | SATA III | SATA III | SATA III | SATA III | SAS 12Gb/s |
| Operating Temperature | 5–60°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Power Consumption (Idle) | 4 Watts | 5 Watts | 5 Watts | 5 Watts | 6.5 Watts |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 8 Watts | 10 Watts | 8.5 Watts |
| Product Name | 872491-B21 Enterprise HDD | 861693-B21 Enterprise HDD | 819203-B21 Enterprise HDD | 753874-B21 Enterprise HDD | 793683-B21 Enterprise HDD |
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Storage Capacity | 4 TB | 4 TB | 8 TB | 10 TB | 16 TB |
| Use Case | Desktop / Server / NAS / Surveillance | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance | Enterprise Storage |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Weight | 2.2 lbs | 1.65 lbs | 2.1 lbs | 1.5 lbs | 2.2 lbs |
| Width | 5.79 inches | 5.9 inches | 5.79 inches | 5.79 inches | 5.79 inches |
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Questions & Answers
Q
What is the HP 4TB 6G SATA 7.2K 3.5IN 512E MDL LP HDD FIO?
A
A high-performance 4 TB enterprise‐class hard drive with 6 Gb/s SATA interface, 7 200 rpm, 3.5″ form factor, 512e sector emulation and low-profile MDL design for HP servers.
Q
What are the key technical specifications of this HDD?
A
4 TB capacity, 6 Gb/s SATA, 7 200 rpm, 3.5″ form factor, 512e emulation, MDL LP carrier, enterprise MTBF and FIO firmware support.
Q
Which HP servers are compatible with SKU 861693-B21?
A
Fully compatible with HP ProLiant Gen8, Gen9 and Gen10 servers and associated storage enclosures that support 6 Gb/s 3.5″ SATA drives.
Q
What does 512E technology mean?
A
512e (512‐byte emulation) lets the drive present 512-byte sectors to the OS while using 4 KB physical sectors internally for improved efficiency.
Q
What interface and data transfer rates does this HDD support?
A
It uses a 6 Gb/s SATA interface delivering up to 600 MB/s sustained sequential transfer rates, optimized for bulk data workloads.
Q
What is the rotational speed and form factor?
A
The drive spins at 7 200 rpm in a standard 3.5″ enterprise form factor with a low-profile MDL carrier.
Q
What is included in the KIT package?
A
The kit includes the 4 TB HP MDL LP HDD, a server-specific carrier tray, mounting screws and preloaded FIO firmware.
Q
How do I install this HP 4TB HDD?
A
Slide the drive into an empty 3.5″ bay, secure it with the carrier screws, then verify detection in the server BIOS or Smart Array controller utility.
Q
Is the HP 4TB SATA drive hot-swappable?
A
Yes, it supports hot-swap in HP ProLiant servers and storage arrays with compatible backplanes and Smart Array controllers.
Q
What are the power consumption and acoustics specifications?
A
Typical active power is ~8.5 W, idle power ~5.5 W, and acoustic noise is 34 dB(A) idle, designed for data-center efficiency.
Q
What are the ideal use cases for this HDD?
A
Ideal for nearline storage, backups, archiving, streaming media and bulk data applications requiring high capacity at low cost per TB.
Q
Which operating systems are supported?
A
Compatible with Windows Server, major Linux distributions (RHEL, CentOS, SUSE), VMware ESXi, Microsoft Hyper-V and other enterprise OS platforms.
Q
What is the reliability rating (MTBF) of this drive?
A
The drive is rated at 1.6 million hours MTBF, delivering enterprise-grade reliability for 24/7 operation.
Q
What warranty coverage is provided?
A
Includes HP’s standard three-year limited warranty, with optional Care Pack extensions for up to five years of coverage.
Q
How does this HDD compare to an SSD?
A
Provides higher capacity at a lower cost per TB but offers lower random I/O and higher latency than SSDs, making it ideal for sequential workloads.
Q
Can this drive be used in RAID configurations?
A
Yes, it is certified for hardware and software RAID on HP Smart Array controllers and third-party RAID solutions.
Q
What is the exact SKU and part number for ordering?
A
The HP part number is 861693-B21; use this SKU to ensure correct model, firmware and compatibility when ordering.
