PopularSynology DiskStation DS1525+ 5-bay NAS
Versatile all-purpose data hub

SSD · PAS7700
The Synology PAS7700 is an enterprise-grade, active-active NVMe all-flash storage system delivering up to 2M IOPS, 30GB/s throughput, and petabyte-scale capacity for mission-critical workloads.
The Synology PAS7700 is a 48-bay NVMe storage platform engineered for enterprise workloads that require continuous availability, extremely high performance, and scalability without service interruption. Utilizing an activeactive architecture, it supports block and file protocols, petabyte-scale expansion, nondisruptive system upgrades, and support for Synology’s productivity suite and data management applications.
As published by Synology for the PAS7700. Confirm the latest data sheet before relying on a figure for a tender.
| Controller | |
|---|---|
| Number of Controller Module | 2 |
| CPU | |
| CPU Model | AMD EPYC 7443P |
| CPU Quantity | 1 (per controller) |
| CPU Cores | 24-core |
| CPU Architecture | 64-bit |
| CPU Frequency | 2.85 (base) / 4.0 (turbo) GHz |
| Memory | |
| System Memory | 64 GB DDR4 ECC RDIMM (per controller) |
| Memory Module Pre-installed | 64 GB (64 GB x 1) (per controller) |
| Total Memory Slots | 16 (per controller) |
| Maximum Memory Capacity | 1024 GB (64 GB x 16) (per controller) |
| Storage | |
| Drive Bays | 48 |
| Maximum Drive Bays with Expansion Unit | 216 (PAX224 x 7) |
| Drive Type | 2.5” U.3 NVMe SSD |
| External Ports | |
| RJ-45 1GbE LAN Port | 1 (per controller) |
| RJ-45 10GbE LAN Port | 2 (per controller) |
| Out-of-Band Management LAN Port | 1 (per controller) |
| Expansion Port | 7 (per controller) |
| Expansion Port Type | Mini-SAS HD |
| PCIe | |
| PCIe Expansion | 1 x Gen4 x16 slot (x16link) 2 x Gen4 x8 slot (x8link) (per controller) |
| Appearance | |
| Form Factor (RU) | 4U |
| Size (Height × Width × Depth) | 175.8 mm x 480.5 mm x 771 mm |
| Weight | 38.2 kg |
| Rack Installation Support | 4-post 19" rack (Synology Rail Kit - ) |
| Others | |
| System Fan | 60 mm x 60 mm x 5 pcs |
| Fan Speed Mode | Full-Speed Mode Cool Mode Quiet Mode |
| Noise Level | 66.1 dB(A) |
| Power Supply Unit / Adapter | 2700W watts |
| AC Input Power Voltage | 200V to 240V AC |
| Power Frequency | 50/60 Hz, Single Phase |
| Power Consumption | 1253.76 watts (Typical) 1460.64 watts (Full Loading) |
| British Thermal Unit | 2668.97 BTU/hr (Typical) |
| Temperature | |
| Operating Temperature | 0°C to 35°C (32°F to 95°F) |
| Storage Temperature | -20°C to 60°C (-5°F to 140°F) |
| Relative Humidity | 5% to 95% RH |
| Warranty | |
| Optional Accessories | |
| Storage Management | |
| Maximum Single Volume Size | 200 TB (32 GB memory required) 1 PB (64 GB memory required, for RAID 6 and RAID TP groups only) |
| Maximum Internal Volume Number | 32 |
| Supported RAID Type | RAID 5 RAID 6 RAID TP |
| File System | |
| Internal Drives | Btrfs |
| File Services | |
| File Protocol | SMB NFS |
| Maximum Number of SMB Connections (FSCT-Based) with RAM Expansion | 12,800 |
| Account & Shared Folder | |
| Maximum Local User Accounts | 16,000 |
| Maximum Local Groups | 512 |
| Maximum Shared Folder | 512 |
| General Specifications | |
| Supported Protocols | SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, NFS over RDMA, iSCSI, Fibre Channel, NVMe-FC, NVMe-TCP, NVMe over RDMA |
| Supported Browsers | Chrome Firefox Edge Safari |
| Supported Language | English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文 |
| SAN Manager | |
| Maximum iSCSI Target Number | 256 |
| Maximum NVMe-oF Subsystem Number | 256 |
| Maximum LUN | 512 |
| Maximum Namespace | 512 |
| Maximum vVols | 1024 |
| Snapshot Replication | |
| Maximum Snapshots per Shared Folder | 1,024 |
| Maximum Snapshots per System | 65,536 |
| Maximum Number of Snapshots per Namespace | 256 |
| Maximum Number of Snapshots per LUN | 256 |
| Maximum of System Replication | 256 |
| Virtualization | |
| VMware vSphere | ESXi 8.0 U3, ESXi 8.0 U2, ESXi 8.0 U1, ESXi 8.0 |
| Microsoft Hyper-V | Windows Server 2025 |
| Citrix XenServer | XenServer 8.4 |
In-stock items leave our Australian warehouse within one business day. Order-in items usually arrive in 3 to 7 business days from the distributor. Shipping is calculated at checkout from the weight of your order (this item: 84 kg).
Shipping detailsGenuine Australian stock with Synology's manufacturer warranty, serviced locally. Warranty terms are on the Synology data sheet for this model.
Returns and warrantyWe will confirm compatibility with your existing NAS, recommend drives and memory, or quote a configured unit for a business site.
Ask belowCompatibility, lead times, a quote for several units: a person replies, usually the same business day.
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