A6855221

A6855221 – Dell 500GB 5400RPM SATA III 6Gb/s 64MB Cache + 8GB MLC NAND SSD 2.5-Inch Hybrid Hard Drive (SSHD)

The Dell A6855221 500GB Hybrid Hard Drive (SSHD) is a high-performance storage solution engineered for Dell laptops, mobile workstations, and compatible business systems. Featuring 500GB storage capacity, 5400 RPM spindle speed, SATA III 6Gb/s interface, 64MB cache, 8GB Multi-Level Cell (MLC) NAND Flash, and a 2.5-inch Small Form Factor (SFF), this hybrid drive combines the large storage capacity of a traditional hard drive with the speed-enhancing benefits of solid-state storage.

Designed for professionals and organizations seeking improved system responsiveness without sacrificing storage capacity, the Dell A6855221 intelligently stores frequently accessed files in the integrated 8GB MLC NAND SSD cache, resulting in faster boot times, quicker application launches, and smoother multitasking compared to conventional hard disk drives. This hybrid technology automatically adapts to user behavior, delivering SSD-like responsiveness for everyday computing tasks.

The 5400 RPM rotational speed provides quiet, energy-efficient operation while offering dependable storage for operating systems, business applications, multimedia files, and large document libraries. The combination of mechanical storage and flash memory creates an excellent balance between affordability, performance, and capacity.

The SATA III 6Gb/s interface ensures dependable high-speed data transfers and broad compatibility with Dell notebooks, workstations, and desktop systems. The integrated 64MB cache, together with the 8GB MLC NAND flash, enhances read and write performance, reduces application load times, and improves overall system responsiveness.

Its 2.5-inch Small Form Factor (SFF) design makes it ideal for notebooks, compact desktops, mobile workstations, and business systems where space efficiency, low power consumption, and quiet operation are essential. The hybrid architecture also extends battery life compared to higher-speed mechanical drives while maintaining substantial storage capacity.

Manufactured according to Dell's rigorous quality standards, the Dell A6855221 is engineered for dependable long-term operation, delivering reliable performance, improved responsiveness, and efficient storage for business users, students, and professionals.

The Dell A6855221 is particularly well suited for users seeking hybrid storage with 500GB capacity, 5400 RPM performance, 64MB cache, 8GB MLC NAND SSD acceleration, and SATA III 6Gb/s connectivity.

Model Type

Hybrid Hard Drive (SSHD) — 5400 RPM, SATA III 6Gb/s, 64MB Cache, 8GB MLC NAND SSD, 2.5-Inch Small Form Factor (SFF)

Category

Storage – Hybrid Solid State Hard Drive (SSHD) for Dell Laptops, Mobile Workstations, and Business Systems

Key Features
500GB Hybrid Storage Capacity
5400 RPM Energy-Efficient Spindle Speed
8GB MLC NAND Flash SSD Cache
SATA III 6Gb/s High-Speed Interface
64MB Cache Memory
2.5-Inch Small Form Factor (SFF)
Intelligent Hybrid Storage Technology
Faster Boot and Application Launch Times
Improved System Responsiveness
Quiet and Energy-Efficient Operation
Reliable Long-Term Performance
Optimized for Dell Business Systems
Cost-Effective Performance Upgrade
Enhanced Multitasking Experience
Ideal for Everyday Computing and Business Applications
Large-Capacity Hybrid Storage Solution
Technical Specifications
Specification Details
Model A6855221
Capacity 500GB
Drive Type Hybrid Hard Drive (SSHD)
Rotational Speed 5400 RPM
Flash Memory 8GB MLC NAND SSD
Interface SATA III 6Gb/s
Cache 64MB
Form Factor 2.5-Inch (SFF)
Data Transfer Rate Up to 6Gb/s
Technology Hybrid HDD + SSD
Reliability Business-Class
Compatibility Dell Laptops, Mobile Workstations, and Supported Systems
Lead Time 4–6 Business Days
Typical Use Cases
Dell Business Laptops
Dell Mobile Workstations
Everyday Business Computing
Office Productivity
Operating System Storage
Faster System Boot
Multimedia Storage
Business Applications
Educational Institutions
Home Office Systems
Data Backup
Professional Workstations
Small Business Computing
General Productivity
Cost-Effective Performance Upgrades
Hybrid Storage Solutions