Product Technical Specification Sheet

1. Product Identification

Brand Name: HPE (Hewlett Packard Enterprise)
Product Line: Read Intensive (RI) Multi-Vendor Enterprise SSD Family
HPE Option Part Number: P18421-B21
HPE Spare Part Number: P18481-001
HPE Assembly Part Number: P18440-001
OEM Underlying Hardware: Intel® SSD D3-S4510 Series
HPE Model String: VK000240GZXRU
Target Environment: Mission-critical enterprise boot, read-heavy caching tiers, web servers, and light cloud virtualization nodes.

2. Core Architectural Specifications

Form Factor: 2.5-inch Small Form Factor (SFF) Low Profile (7mm drive mechanics)
Formatted Capacity: 240 GB
Interface Protocol: SATA III 6.0 Gbps (Backward compatible with 3.0 Gbps SATA)
NAND Flash Technology: Intel 3D NAND TLC (64-Layer Multi-Matrix Layout)
Carrier Type: HPE SmartDrive Carrier (SC) hot-plug tray caddy with digital status signaling ring.
Plug Type: Hot-Plug / Hot-Swap Supportable
Sector Architecture: 512n (Native 512-byte block format)

3. Performance & Throughput Benchmarks

Optimized with highly sustained steady-state enterprise algorithms to balance high I/O throughput with predictable sub-millisecond latencies:

Performance Metric	Rated Specification
Sustained Sequential Read (128KB)	Up to 505 MiB/s (~560 MB/s)
Sustained Sequential Write (128KB)	Up to 255 MiB/s (~280 MB/s)
Random Read IOPS (4KiB, QD32)	Up to 62,500 IOPS
Random Write IOPS (4KiB, QD32)	Up to 14,000 IOPS
Typical Latency (Read / Write)	36 µs / 37 µs

4. Endurance, Reliability & Data Protection

Operational Endurance Class

Workload Classification: Read Intensive (RI)
Drive Writes Per Day (DWPD): ~1.0 – 1.2 DWPD (Calculated over a standard 5-year enterprise warranty cycle)
HPE SmartSSD Wear Gauge: Fully supported (Provides proactive warnings and detailed wear metrics via HPE iLO/Systems Insight Manager before life expectancy thresholds are reached).

Hardware Safeguards

MTBF (Mean Time Between Failures): 2.0 Million Hours
UBER (Uncorrectable Bit Error Rate): Less than 1 sector error per $10^{17}$ bits read
Power Loss Protection (PLP): Integrated hardware-based power loss circuit capacitors. Safely flushes volatile in-flight cache data down to non-volatile NAND logic gates during unexpected power interruptions.
End-to-End Data Path Protection: Full T10-DIF style data path parity validation. Protects the data footprint against silent corruption, data degradation, or cross-talk leaks inside the drive controller paths.

5. Physical, Electrical & Environmental Parameters

Dimensions & Weight

Physical Drive Profile: 7.0 mm (Height) x 69.85 mm (Width) x 100.45 mm (Depth)
Form Factor Type: Standard SFF 2.5-inch
Net Weight: ~0.50 lbs (~226 g) including the hot-plug tray caddy frame.

Electrical Load Profiles

Operating Input Voltage: $+5\text{VDC} \pm 5\%$
Active Operational Power (Max): ~2.3 Watts
Idle State Power Consumption: ~1.1 Watts

Environmental Operating Limits

Operating Ambient Temperature: 0°C to 70°C (32°F to 158°F)
Non-Operating Storage Range: -55°C to 95°C
Operating Shock Limit: 1,000 G for 0.5 ms

6. Enterprise System Compatibility

This drive features digitally signed HPE enterprise firmware to bypass validation warnings and integrate smoothly within mainstream hardware environments.

Compatible HPE ProLiant Server Platforms:

HPE ProLiant Gen8 Platforms: DL160, DL360p, DL380p, ML350p (SFF Small Form Factor chassis variants)
HPE ProLiant Gen9 Platforms: DL20, DL60, DL80, DL120, DL160, DL180, DL360, DL380, DL560, DL580, ML30, ML110, ML150, ML350
HPE ProLiant Gen10 Platforms: DL20, DL160, DL180, DL325, DL360, DL380, DL385, DL560, DL580, ML30, ML110, ML350
HPE ProLiant Gen10 Plus Platforms: DL325, DL345, DL360, DL365, DL380, DL385 (SFF standard SAS/SATA backplanes)
HPE Synergy Systems: 480 Compute Modules (Gen9/Gen10 series frameworks)