SM2508 - PCIe 5.0 NVMe SSD Controller | Silicon Motion
部品番号: SM2508 ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
SM2508 概要
A PCIe SSD controller is the system-level component that connects NAND flash to a host computer through the PCI Express interface. The SM2508 belongs to the broader hierarchy of PCIe storage controller, NVMe controller, solid-state drive controller, memory controller and semiconductor. PCIe 5.0 x4 provides a high-bandwidth host interface, while NVMe 2.0 defines the storage protocol used by compatible SSDs. This combination is suited to AI notebooks and other systems that need faster storage response for large datasets and compute workflows.
Verified source material identifies the SM2508 as an eight-channel PCIe 5.0 x4 NVMe controller released in 2024. Silicon Motion describes it as a high-performance, low-power solution intended to improve storage density and efficiency. One manufacturer-published result states up to 70% better efficiency compared with competitors, while another describes an example in terms of approximately 2,200 MB per watt versus a competitor value of 1,273 MB per watt. These efficiency claims are manufacturer or presentation claims and should be validated in the intended SSD design.
The controller is manufactured using TSMC's 6 nm process, a meaningful implementation detail for a high-speed storage controller because the process can influence switching performance, power consumption and thermal characteristics. Reported engineering-sample SSD configurations use the M.2 2280 form factor and capacities from 1 TB to 2 TB. Published sample specifications also report PCIe 5.0 x4, NVMe 2.0, up to 2,000,000 random-read IOPS and up to 14,000 MB/s sequential read performance. These are system-level SSD figures, not guaranteed SM2508 controller specifications.
Typical implementations include AI-capable notebooks, performance-oriented desktop PCs, gaming PCs, content-creation workstations and other systems requiring PCIe Gen5 storage. Controller selection must be coordinated with NAND interface requirements, PCIe lane configuration, power delivery, thermal design, firmware validation and SSD qualification. Published sample performance should not be treated as a production guarantee without validation of the exact NAND, firmware and thermal configuration.
ドロップイン代替品: SM2508 — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: SM2508 （同一形状・フットプリント） — 相違点: Product Type, Host Interface, Process Technology.
クイック比較ツール — 並列比較する代替部品を選択:
PS5026-E26
✅ ドロップイン✓ 在庫あり
価格はお問い合わせください
データシートを見る →IG5666
✅ ドロップイン✓ 在庫あり
価格はお問い合わせください
データシートを見る →E28
✅ ドロップイン📋 参考代替品（カタログ未掲載）
E31T
✅ ドロップイン📋 参考代替品（カタログ未掲載）
[DATA_NEEDED: additional verified drop-in MPN]
✅ ドロップイン📋 参考代替品（カタログ未掲載）
SM2508 最大定格＆電気的特性
| Product Type | PCIe Gen5 x4 NVMe SSD controller |
| Host Interface | PCI Express 5.0 x4 |
| Storage Protocol | NVMe 2.0 |
| NAND Channel Count | 8 channels |
| Manufacturing Process | TSMC 6 nm process |
| Target Application | AI-capable PC notebooks |
| Controller Positioning | High-performance, low-power SSD controller |
| Reported Efficiency Improvement | Up to 70% versus competitors, manufacturer claim |
| Example Sequential Read Performance | Up to 14,000 MB/s, engineering-sample SSD claim |
| Example Random Read Performance | 2,000,000 IOPS, engineering-sample SSD claim |
| Example SSD Form Factor | M.2 2280 |
| Example SSD Capacity Range | 1 TB to 2 TB |
| Example Active Efficiency | Approximately 2,200 MB/W, manufacturer presentation claim |
| Competitor Example Efficiency | 1,273 MB/W, manufacturer presentation claim |
SM2508 standard ピン配置ガイド
SM2508 (standard パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: SM2508.
詳細は データシート をご参照ください。
主な用途
SM2508 の用途: 6 件s: AI-Capable PC Notebooks, High-Performance Desktop PCs, Gaming PCs and Game-Asset Storage, Content-Creation Workstations, AI Workload Storage Caches, PCIe Gen5 Storage Expansion.
AI-Capable PC Notebooks
The Silicon Motion SM2508 is specifically positioned for AI-capable PC notebooks that require high-density, high-performance and lower-power storage. Its PCIe 5.0 x4 interface and NVMe 2.0 support provide a modern host connection for large datasets, model files and compute-heavy applications. The manufacturer describes SM2508 as an eight-channel controller manufactured on TSMC's 6 nm process, which supports the stated efficiency and integration goals. In a notebook, the SSD integrator must still manage thermals, power states, NAND qualification and battery-oriented performance profiles. The controller can help reduce storage-related latency, but its benefit depends on the complete firmware and NAND configuration rather than peak bandwidth alone.
おすすめ
High-Performance Desktop PCs
SM2508 is suitable for a desktop PC platform that exposes PCIe 5.0 x4 to an NVMe SSD and needs high throughput for file transfers, content creation or local data processing. The verified product brief emphasizes high performance and low power, while sample-related sources report up to 14,000 MB/s sequential read performance and 2,000,000 random-read IOPS on selected engineering-sample configurations. Desktop integration generally provides more cooling flexibility than a notebook, but the SSD still requires validated NAND mapping, firmware, power management and a compatible heatsink strategy. Use the stated sample figures as an initial benchmark, not as a guaranteed production specification.
おすすめ
Gaming PCs and Game-Asset Storage
The SM2508 platform can support gaming PCs that use a PCIe Gen5 x4 M.2 2280 drive. High sequential bandwidth may improve loading of large game assets, while random-read capability can reduce latency when many assets are accessed. Published engineering-sample information reports 2,000,000 random-read IOPS, but gaming performance also depends on sustained write behavior, host queueing, shader compilation, SSD firmware and the CPU and GPU configuration. Thermals are important in compact gaming systems because sustained workloads can expose the controller and NAND to heat. Validate with the exact game library, background activity and the intended SSD capacity before selecting the controller.
おすすめ
Content-Creation Workstations
For video editing, 3D rendering and large project storage, SM2508 provides a PCIe Gen5 x4 NVMe controller path for high-bandwidth local media and cache operations. The eight-channel architecture and 6 nm process can support dense, power-conscious storage designs, while the NVMe 2.0 interface aligns with modern host platforms. Actual workstation results depend on sustained sequential writes, DRAM population, NAND wear state and cooling. A workstation SSD should be qualified for sustained workloads rather than selected only by sequential-read headline figures. Use SMART monitoring, thermal throttling tests and workload-specific benchmarks to confirm that the complete drive maintains acceptable write performance.
おすすめ
AI Workload Storage Caches
SM2508 can serve as the controller foundation for storage used by AI data pipelines when the host platform provides PCIe 5.0 x4. Fast access to training data, model checkpoints and feature stores can reduce storage stalls during preprocessing and repeated reads. The verified source specifically mentions AI-capable PC notebooks and increasing generative-AI workloads, but it does not guarantee workload-specific latency or throughput. The SSD integrator must select suitable NAND, DRAM and firmware and verify endurance, queue behavior and power limits. In compact AI systems, expose the thermal design early because a high-bandwidth controller and NAND package can otherwise reduce sustained performance when thermal limits are reached.
おすすめ
PCIe Gen5 Storage Expansion
SM2508 is applicable to PCIe Gen5 storage expansion designs where a host board, workstation or desktop provides an M.2 or equivalent PCIe 5.0 x4 connection. Published sample configurations use the M.2 2280 form factor and capacities from 1 TB to 2 TB, giving integrators a reference for compact high-capacity storage. The controller's NVMe 2.0 and eight-channel characteristics may be useful when designing a modern client SSD, but the interface to the NAND array remains a separate engineering concern. Confirm package pinout, rail requirements, PCIe lane routing, firmware support and enclosure thermals before committing the controller to a new PCB.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: SM2508 — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | PS5026-E26 | IG5666 | E28 | E31T |
|---|---|---|---|---|---|
| Product Type | PCIe Gen5 x4 NVMe SSD controller | PCIe Gen5 SSD controller | PCIe Gen5 SSD controller | PCIe Gen5 SSD controller | PCIe Gen5 SSD controller |
| PCIe Interface | PCIe 5.0 x4 | PCIe 5.0 class; exact lane configuration not verified | PCIe 5.0 class; exact lane configuration not verified | PCIe Gen5 class; exact lane configuration not verified | PCIe Gen5 class; exact lane configuration not verified |
| Brand | Silicon Motion | Phison | Innogrit | Phison | Phison |
主な差別化要因
- Notebook-focused positioning （vs PS5026-E26)
- Reported advanced process node （vs PS5026-E26)
- Eight-channel NVMe 2.0 controller identity （vs IG5666)
- Published efficiency claim （vs E28)
設計ノート
Do not qualify the SM2508 from peak transfer-rate figures alone. Validate the controller and NAND package in the intended M.2 enclosure, including the stated PCIe 5.0 workload and sustained sequential-write cases. The product brief emphasizes lower power, while a manufacturer presentation claims approximately 2,200 MB/W, but the supplied data does not provide junction-temperature limits, package thermal resistance or controller power dissipation. Use the exact SSD design's thermal sensor behavior and chassis airflow conditions as the basis for production qualification.
A new SM2508 controller PCB requires the detailed package drawing, electrical datasheet, reference design and pinout; those items are not present in the supplied sources. Before routing PCIe 5.0 x4, confirm the package pin assignment, reference-clock requirements, power rails, reset or initialization requirements and NAND-side interfaces. Treat the public product brief as architecture information rather than a complete PCB design guide. A package or pinout error can prevent boot, damage the controller or create difficult high-speed signal-integrity problems.
PCIe 5.0 signals require short, controlled routing and a properly engineered connector, power-delivery and return-path design. The supplied sources do not specify the SM2500 controller's electrical timing, reference design or package ball map, so exact trace geometry must come from the manufacturer documentation and the SSD integrator's validation results. Keep the high-speed host interface away from noisy power stages, provide continuous reference planes where applicable, and validate insertion loss, jitter and compliance with the intended platform. Do not infer these values from generic PCIe Gen5 guidance.
Do not confuse reported engineering-sample SSD specifications with guaranteed controller specifications. The verified figures of up to 14,000 MB/s sequential read and 2,000,000 random-read IOPS belong to particular sample drives and depend on NAND, DRAM, firmware, workload and thermal conditions. Similarly, the 70% efficiency statement is a manufacturer comparison claim rather than a universal result. Ask the SSD vendor for benchmark conditions, power measurements, NAND qualification, endurance data and firmware support before committing SM2508 to a production platform.
コンプライアンス情報
No controller-specific RoHS, REACH, AEC-Q100, lead-free, halogen-free or conflict-minerals declarations are included in the supplied verified data. Finished-SSD compliance must be evaluated separately by the SSD integrator.
