HPE 1.2TB SAS 12G 872479-B21 Enterprise 10K SFF (2.5in) SC 3yr Wty Digitally Signed Firmware HDD (G10 Series)

HPE 1.2TB SAS 12G 872479-B21 Enterprise 10K SFF (2.5in) SC 3yr Wty Digitally Signed Firmware HDD (G10 Series)
Key Features
Brand: HPE
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Features & Compatibility

HPE 1.2TB SAS 12G 872479-B21 Enterprise 10K SFF (2.5in) SC 3yr Wty Digitally Signed Firmware HDD (G10 Series)
Key Features
Brand: HPE
New HPE 1800W-2200W Flex Slot Power Supply with 96% efficiency, 200-240 VAC input, 80 Plus Titanium certified.2
HPE 1000W Flex Slot Power Supply with 96% efficiency, 100-240 VAC input, 80 Plus Titanium certified.
HPE 800W Flex Slot Power Supply with 96% efficiency, 200-240V AC input, 80 Plus Titanium certified.
Choice of -48 VDC HPE Flex Slot Power Supplies, delivering 800W or 1600W output.
HPE 1600W Flex Slot Power Supply with 94% efficiency, 200-240V AC input.
HPE 800W Flex Slot U

1 Year Warranty

HPE 1.2TB SAS 12G Enterprise 10K SFF Hard Disk Drive Review: Mission-Critical Scaling

The HPE 1.2Terabyte SAS 12Gbps Enterprise 10K RPM Small Form Factor Hard Disk Drive delivers an exceptional blend of high-capacity data density, low latency, and non-stop operational availability. Engineered specifically for high-density ProLiant server environments, this mission-critical enterprise drive maximizes localized storage footprints while maintaining the rapid random access speeds and robust data integrity required by corporate datacenters. 
Executive Overview and Premium Design Philosophy
The HPE 1.2TB 10K SAS enterprise drive represents a core standard in balanced high-capacity performance scaling for localized computing infrastructure. It transitions organizations from low-durability consumer hardware or standard nearline drives to a fully validated, mission-critical enterprise storage ecosystem. Designed for deployment in high-density rack servers, virtualization hypervisor pools, and high-transaction storage area networks, this original equipment component safeguards critical business repositories from unexpected hardware bottlenecks.
Engineered for Elite Professional Workflows
Continuous high-volume data availability is a foundational necessity for shared cloud storage networks, heavy email infrastructure, mid-tier database engines, and transactional processing systems. This drive facilitates this necessity by pairing an expansive 1.2-Terabyte capacity within a compact footprint with the professional 12Gbps Serial Attached SCSI interface protocol. System administrators can execute intense concurrent processing loads and scale multi-tenant environments smoothly without generating storage latency bottlenecks or data transmission lag.
Structural Integrity and Premium Aesthetics
Constructed with a heavy-duty metallic chassis and a reinforced internal spindle assembly, this internal drive module slides seamlessly into standard 2.5-inch small form factor hot-swap server bays. Unlike budget hard disks that fail under constant vibrations, this premium enterprise assembly features advanced internal vibration-dampening mechanics. The industrial design manages internal rotational physics efficiently, keeping multi-drive server chassis running reliably under peak processing demands.
Key Technical Specifications
    • Formatted Data Capacity: 1.2 Terabytes of raw storage space
    • Spindle Rotational Speed: 10000 Revolutions per minute operational rate
    • Hardware Interface Standard: 12 Gigabits per second Serial Attached SCSI Gen 3
    • Physical Drive Form Factor: 2.5 Inch Small Form Factor configuration
    • Sector Architecture Profile: Advanced Format 512e or 512n physical layout options
    • Deployment Class Status: Enterprise Mission-Critical high-availability reliability
    • Compatible Option Kits: 872479-B21, 781518-B21, 872252-001, and 781578-001
    • Carrier Frame Compatibility: Supports SmartCarrier (SC) or Basic Carrier (BC) architectures based on generation

Top Benefits of the HPE 1.2TB 10K SAS 12G Drive
Professional High-Speed 12Gbps Data Pipeline
The generation three SAS interface provides a substantial 12 Gigabits per second data transfer rate threshold. This advanced throughput level allows the storage drive to communicate with host bus adapters and hardware RAID controllers smoothly, speeding up system rebuilds, handling concurrent inputs, and accelerating server boot paths
Optimized Small Form Factor Capacity Matrix
Packing a large 1.2-Terabyte volume into a compact 2.5-inch frame maximizes the physical storage density inside your equipment rack space. This spatial efficiency allows IT infrastructure architects to scale up database storage pools without buying extra storage shelves, lowering server electricity consumption and structural space demands. 
Advanced Dual-Port Signal Paths for Fault Isolation
The enterprise-class Serial Attached SCSI architecture features dual-port signal routing capabilities to maintain high system availability. If a primary data path, controller cable, or motherboard pipeline experiences an unexpected signal drop, the drive can route data packets over a backup line instantly, preventing service downtime.
True Hot-Swappable Hot-Plug Operational Safety
Engineered to operate inside critical enterprise equipment configurations, this hard drive fully supports real-time hot-plug mechanical replacements. System technicians can extract a degraded drive module from a live RAID array and slide this fresh expansion replacement into place without resetting the operating system or scheduling emergency work windows.
Server Storage Form Factor Allocation Matrix

Chassis Drive Configuration Compatibility Validation Mounting Frame Requirement
2.5 Inch Small Form Factor Bay Fully Compatible Mounts Directly Inside Standard 2.5 Inch Caddy
3.5 Inch Large Form Factor Bay Partially Compatible Requires 2.5 Inch to 3.5 Inch Hybrid Adapter Bracket

Step-by-Step Server Hardware Installation Instructions
    1. Mount Drive Into the Carrier: Position the 2.5-inch drive inside an authorized metallic caddy carrier and secure the side retaining screws. 
    2. Identify Target Storage Slot: Check your running storage controller dashboard or server front panel to identify an empty or failed drive slot.
    3. Open Carrier Security Latch: Press the plastic button on the front of your drive tray to spring the vertical security latch handle outward.
    4. Slide Drive Into Server Bay: Push the carrier firmly into the open server bay channel until the internal SAS port clicks into the backplane.
    5. Lock the Front Security Handle: Push the vertical caddy handle flush against the server frame to complete lock engagement and initiate automated array syncing.

Frequently Asked Questions
Can this SAS drive connect directly to a standard desktop SATA port?
No. This 12G enterprise drive requires an authorized server SAS controller card or a dedicated server backplane to communicate. While Serial Attached SCSI backplanes found in enterprise servers can accept standard consumer SATA hard drives, standard desktop SATA motherboard ports cannot process the communication protocols used by commercial SAS drives
What is the advantage of 1.2TB capacity in a 10K RPM drive?
The 1.2-Terabyte size profile delivers a sweet spot for server administrators. It provides four times the capacity of traditional 300GB high-speed drives without sacrificing the fast 10000 RPM seek times, allowing organizations to scale up their dense data storage footprint while maintaining high storage performance. 
Which carrier style does this drive arrive with?
HPE utilizes different hot-swap carrier tray layouts depending on your specific ProLiant server generation. For example, Gen8 through Gen10 systems rely on the HPE SmartCarrier (SC) frame featuring digital diagnostic LEDs, whereas newer Gen10 Plus and Gen11 systems use the simplified Basic Carrier (BC) layout. You must verify your specific option kit part number to match your platform generation

Additional information