Solidigm S4520 Series 1.92TB 2.5in SATA 6Gb/s 3D4 TLC Enterprise SSD Single Pack

Brand: Solidigm | Category: Enterprise SSDs

SKU: SSDSCKB019T21Z | Part #: SSDSCKB019T21Z | MPN: SSDSCKB019T21Z

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Product Overview

The Solidigm SSD S4520 Series 1.92TB is a purpose-built enterprise-grade solid-state drive engineered to meet the demanding storage requirements of modern data centres, cloud infrastructure, and mission-critical server environments. Offered in a compact 2.5-inch form factor with a SATA 6Gb/s interface, this drive represents a proven, cost-effective solution for organisations seeking to accelerate read-intensive workloads without the complexity or premium cost of NVMe deployments. Solidigm, formerly the NAND memory business of Intel, brings decades of enterprise storage engineering expertise to the S4520 Series, making it a trusted choice for IT architects and procurement teams across global enterprise operations.

With 1.92TB of usable capacity, the S4520 strikes an optimal balance between density and per-drive economics, enabling storage administrators to maximise rack utilisation while maintaining the high availability and data integrity guarantees that enterprise environments demand. The Generic Single Pack format makes it an ideal procurement option for bulk server refreshes, hyperscale deployments, or OEM platform integrations where white-label or universal compatibility is a priority.

Key Features & Benefits

• High-Density 3D4 TLC NAND: Leverages Solidigm's advanced fourth-generation 3D TLC (Triple-Level Cell) NAND architecture to deliver substantial capacity in a single 2.5-inch drive, reducing the number of drives required per system and lowering total cost of ownership.
• SATA 6Gb/s Interface: Compatible with virtually every enterprise server, storage array, and workstation platform manufactured in the last decade, ensuring seamless integration without the need for additional HBAs or PCIe lane allocation.
• Read-Intensive Optimisation: The S4520 is specifically tuned for read-heavy workloads such as content delivery, web serving, analytics, and virtualisation, delivering consistent sequential and random read performance at scale.
• Enterprise-Grade Endurance & Reliability: Designed with power-loss data protection, end-to-end data path integrity, and advanced error-correction algorithms to safeguard data under continuous operational stress, meeting the MTBF standards required for always-on enterprise infrastructure.
• Generic Single Pack Configuration: Supplied without OEM-specific firmware locks or proprietary enclosures, making this drive broadly compatible across multi-vendor server environments including HPE, Dell, Supermicro, Lenovo, Fujitsu, and custom-built platforms.
• Enterprise Firmware & Management: Ships with Solidigm's enterprise firmware stack, offering support for SMART monitoring, SED (Self-Encrypting Drive) capability pathways, and integration with standard storage management tools and IPMI-based server management platforms.
• Compact 2.5-Inch Form Factor: Fits standard SFF drive bays in rack-mounted servers and storage enclosures, supporting hot-swap configurations when paired with compatible backplanes and caddies.
• Low Power Consumption: Engineered for energy efficiency, the S4520 delivers high I/O throughput at a fraction of the power draw compared to equivalent-capacity spinning disk drives, directly reducing operating expenditure in large-scale deployments.

Technical Architecture

At the core of the Solidigm S4520 is Solidigm's proprietary 3D4 TLC NAND flash memory, manufactured using a high-layer-count 3D stacking process that places memory cells vertically to achieve greater density, improved power efficiency, and enhanced write endurance compared to earlier-generation planar NAND technologies. Each cell stores three bits of data, and the fourth-generation stack architecture introduces tighter process nodes and improved cell-to-cell interference management, resulting in a more durable and consistent storage medium suitable for enterprise-grade read-intensive applications.

The drive's controller is responsible for managing wear levelling, garbage collection, over-provisioning, and the translation of logical block addresses to physical NAND locations via the Flash Translation Layer (FTL). Solidigm's enterprise controller implementation includes dynamic and static wear levelling algorithms that distribute write operations evenly across all available NAND blocks, extending the effective lifespan of the drive under sustained workloads. The onboard DRAM cache accelerates metadata operations and staging of write data, while the capacitor-backed power-loss protection (PLP) circuit ensures that in-flight data is flushed safely to persistent storage in the event of an unexpected power interruption.

End-to-end data path protection is implemented through CRC (Cyclic Redundancy Check) verification at each stage of the data path — from the host interface through the controller to the NAND cells — ensuring that silent data corruption events are detected and corrected before they can propagate to stored data. This architecture is complemented by LDPC (Low-Density Parity-Check) error-correction coding applied directly to the NAND, providing robust protection against bit-level errors that increase naturally as NAND cells age.

Performance & Capacity

The Solidigm S4520 1.92TB delivers enterprise-class performance metrics optimised for read-intensive server workloads. Sequential read throughput reaches up to 550 MB/s, saturating the SATA 6Gb/s interface, while sequential write performance is rated at up to 510 MB/s for sustained write operations. In terms of random I/O, the drive is capable of delivering up to 97,000 IOPS for 4K random reads and up to 32,000 IOPS for 4K random writes, figures that position it well above comparable hard disk drives and entry-level consumer SSDs in server contexts.

The 1.92TB capacity tier provides a practical storage density for OS and application volumes, boot drives, read caching tiers, and nearline data pools. With a rated endurance of up to 1 DWPD (Drive Writes Per Day) across its operational lifespan, the S4520 is validated for sustained use in environments where read operations dominate, such as content repositories, static database replicas, and distributed file systems. The Mean Time Between Failures (MTBF) rating of 2 million hours underscores the drive's suitability for enterprise environments requiring high availability and extended service intervals.

Compatibility & Integration

The S4520 Series is compatible with any server or storage platform that supports the SATA 6Gb/s (SATA III) interface and the standard 2.5-inch SFF-8201 or SFF-8223 drive bay form factor. Supported operating systems include Microsoft Windows Server (2016, 2019, 2022), Red Hat Enterprise Linux, SUSE Linux Enterprise Server, Ubuntu Server LTS, VMware ESXi, and all major hypervisors that expose block storage to guest workloads. The drive conforms to SATA 3.3 specification standards and is backward compatible with SATA 3Gb/s and SATA 1.5Gb/s interfaces at reduced throughput.

As a generic single-pack unit, the S4520 is free from OEM firmware restrictions, enabling deployment across platforms from Dell PowerEdge, HPE ProLiant, Supermicro, Lenovo ThinkSystem, Fujitsu PRIMERGY, Huawei FusionServer, Inspur, and custom white-box server builds. The drive supports ATA Security commands and is FIPS-ready in applicable configurations, aligning with compliance requirements common in financial services, government, and healthcare IT environments. It is also compatible with standard HDD caddies and trays used in 2.5-inch SFF enclosures with appropriate adapter hardware.

Ideal Use Cases

• Virtualisation Hosts: Accelerate VM boot times and reduce storage latency in VMware vSphere, Microsoft Hyper-V, and KVM environments where multiple virtual machines share a common storage pool.
• Web & Application Server Storage: Serve static and dynamic web content, application binaries, and session data with consistent low-latency reads, supporting high-traffic enterprise web platforms and API gateways.
• Read-Intensive Database Replicas: Deploy as the storage layer for read-only database replicas in MySQL, PostgreSQL, or MSSQL environments, offloading read traffic from primary transactional nodes.
• Content Delivery & Media Streaming: Store and serve large volumes of video, audio, and image assets in media production, broadcast, or CDN edge-cache environments requiring high sequential read throughput.
• Analytics & OLAP Workloads: Support online analytical processing, data warehousing queries, and business intelligence reporting systems that scan large datasets with predominantly read access patterns.
• Boot & OS Volumes: Use as a high-reliability, fast-booting OS drive for rack servers, reducing boot time and improving system availability in large-scale deployments where server startup speed impacts SLA metrics.
• HPC Scratch & Staging Storage: Function as a high-throughput scratch tier in high-performance computing clusters where intermediate computational results need fast temporary storage before offload to archive.

Why Buy from Omnixon

Omnixon Global is Dubai's trusted B2B IT hardware distributor, serving enterprise clients across the UAE, Saudi Arabia, Qatar, Kuwait, Bahrain, Oman, and international markets. Our inventory of enterprise SSDs including the Solidigm S4520 Series is stocked locally in the UAE, enabling fast fulfilment for urgent data centre projects and server refresh programmes across the GCC region. Our team of enterprise hardware specialists provides pre-sales technical consultation to help your organisation select the right storage configuration for your workload, platform, and budget requirements. We work directly with IT procurement teams, systems integrators, cloud service providers, and managed service operators to ensure accurate product sourcing, professional documentation, and reliable after-sales support. When you source enterprise storage through Omnixon, you benefit from a partner with deep regional expertise, established logistics infrastructure, and a commitment to the quality and authenticity of every unit shipped.

Related Products & Ecosystem

The Solidigm S4520 integrates naturally into a broader enterprise storage ecosystem. Complement your SSD deployment with enterprise NVMe drives for ultra-low-latency primary storage tiers, enterprise HDDs for high-capacity cold storage and backup pools, and network switches and NICs to build the high-bandwidth fabric your storage cluster requires. Server memory (RAM) upgrades pair directly with SSD performance improvements to eliminate CPU and memory bottlenecks, while rack enclosures, PDUs, and UPS systems from leading manufacturers ensure the physical and power infrastructure supporting your storage investment remains robust and resilient. Explore Omnixon's full catalogue of enterprise SSDs, storage systems, servers, and networking hardware to build a complete, validated infrastructure stack.