RTS5782 - 14GB/s 8-Channel PCIe SSD Controller | Realtek
MPN: RTS5782 ✗ End of Life| Qty | Unit Price | Extended |
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RTS5782 Overview
A solid-state drive controller is a semiconductor that coordinates communication between a host interface, NAND flash, optional DRAM cache, error-correction logic, and the drive's internal data path. Within the storage-controller hierarchy, PCIe SSD controller -> storage controller -> NAND interface controller -> semiconductor, the RTS5782 is intended for high-throughput, high-end solid-state drives rather than general-purpose embedded storage.
Its published eight-channel NAND architecture is designed for parallel access across multiple flash packages, while the 3,600 MT/s interface rate indicates the command-transfer rate targeted by the roadmap specification. Four-kilobyte LDPC error correction supports data-integrity requirements common in advanced NAND systems. LPDDR4X cache support can reduce direct reads of mapping metadata and improve responsiveness, although exact usable cache capacity and firmware behavior require manufacturer documentation.
Typical applications include high-end client SSDs, NVMe storage systems, gaming PCs, workstations, and content-creation computers requiring fast sequential and random-access performance. The target workload benefits from multiple NAND channels and optional DRAM, but the final SSD design must still account for firmware, NAND qualification, thermal dissipation, power delivery, PCIe lane configuration, and workload endurance.
A key design consideration is that the available material is roadmap-level rather than a complete production datasheet. Engineers must validate package dimensions, electrical limits, PCIe generation and lane count, supported NAND types, reference clock requirements, power rails, firmware support, and production availability with Realtek before layout release. This page separates verified published values from parameters that remain unavailable rather than estimating them.
Drop-in alternatives for RTS5782 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with RTS5782 (same form factor and footprint) — differing in Host Interface, NAND Type Support, Product Type.
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No drop-in alternatives available for this product.
Request AlternativesRTS5782 Maximum Ratings & Electrical Characteristics
| Product Type | PCIe SSD controller |
| Target Storage Class | High-end solid-state drive |
| PCIe Interface | PCIe SSD controller |
| Target Sequential Performance | 14 GB/s |
| Target Random Performance | 2.5 million IOPS |
| NAND Channel Count | 8 channels |
| NAND Interface Speed | 3,600 MT/s |
| ECC Granularity | 4K LDPC ECC |
| DRAM Cache Support | LPDDR4X cache |
RTS5782 standard Pin Configuration Guide
Pin configuration for RTS5782 (standard package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for RTS5782.
Refer to the datasheet for full pin configuration.
Typical Applications
RTS5782 is suitable for 6 applications: High-End Client NVMe SSD, Gaming-PC Storage, Workstation Content-Creation Storage, PCIe Storage Expansion Card, High-Performance Portable SSD, Read-Cache-Accelerated Storage.
High-End Client NVMe SSD
The RTS5782 fits a high-end client SSD roadmap because its published eight-channel NAND architecture is designed to drive substantial aggregate flash bandwidth. The reported 3,600 MT/s NAND interface and 2.5 million IOPS target align with performance-oriented client storage, while LPDDR4X cache can support metadata-heavy workloads. An SSD implementation would place the controller between the host PCIe interface and the NAND data path, then validate firmware scheduling against the selected flash. The reported 14 GB/s target must not be treated as guaranteed without production specifications, qualifying NAND devices, and measured system-level tests.
Gaming-PC Storage
A gaming PC benefits from low queue-depth latency and fast random I/O, making the RTS5782 roadmap fit plausible for a premium SSD. Its eight NAND channels provide parallel bandwidth, and the reported 2.5 million IOPS target indicates an emphasis on operations per second rather than sequential transfer alone. Optional LPDDR4X cache may improve behavior when metadata and frequently accessed blocks are cached. Real deployment still requires validated game-platform compatibility, thermal testing, power-loss protection, endurance qualification, and confirmation that production firmware supports the intended capacity and NAND generation.
Workstation Content-Creation Storage
For workstation storage handling large media files and project databases, the RTS5782 roadmap targets can address both sequential throughput and random-access concurrency. Eight NAND channels increase potential parallelism, while the reported 3,600 MT/s interface and LPDDR4X support target demanding mixed workloads. The SSD would use the controller to translate host requests into optimized NAND operations and use firmware to improve caching and wear leveling. Engineers should qualify sustained-write behavior, thermal throttling, sustained power-loss recovery, usable capacity, and RAID or workstation compatibility before selecting an unreleased roadmap controller.
PCIe Storage Expansion Card
The RTS5782 could serve a PCIe storage expansion card when the host system requires a high-bandwidth SSD behind a compact add-in-card form factor. The controller's reported 14 GB/s target is relevant to burst throughput, while eight NAND channels can support parallel access to multiple flash packages. Such a design must carefully allocate PCIe bandwidth, isolate high-speed signals, deliver multiple clean power rails, and dissipate controller and NAND heat. Product development should not begin layout release until Realtek confirms package dimensions, PCIe lane configuration, reference clocking, power sequencing, and firmware licensing.
High-Performance Portable SSD
The RTS5782's reported high-end performance target can suit a premium portable SSD, but thermal and power constraints are central to that design. Eight NAND channels can increase throughput, while LPDDR4X cache may improve random workloads, yet sustained operation in an enclosure can be limited by available surface area and ambient temperature. Firmware should monitor thermal conditions and manage performance without risking data integrity. Engineers also need validated battery and USB-to-PCIe bridge support, shock resistance, and power-loss behavior, none of which is established by the supplied roadmap sources.
Read-Cache-Accelerated Storage
The RTS5782 is architecturally relevant to read-cache-oriented SSD designs because LPDDR4X support can provide a fast side cache for selected metadata and data. This may reduce some direct NAND reads and improve responsiveness when firmware exploits the cache effectively. The exact cache topology, supported density, bus width, and coherence behavior are unavailable, so a conventional DRAM side cache cannot be assumed. A production architecture requires authoritative electrical specifications, firmware documentation, endurance analysis for cache write traffic, and a cache-miss workload that preserves the advertised performance and reliability goals.
Engineering reference data for RTS5782 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product |
|---|---|
| Brand | Realtek |
| Product Type | PCIe SSD controller |
| NAND Channel Count | 8 channels |
| NAND Interface Speed | 3,600 MT/s |
| Reported Throughput Target | 14 GB/s |
| Reported Random I/O Target | 2.5 million IOPS |
| Error Correction | 4K LDPC ECC |
| Cache Support | LPDDR4X cache |
Design Notes
Compliance Information
No RTS5782-specific compliance declarations were included in the verified sources. Automotive qualification is not applicable to the published consumer and client SSD-controller positioning.