Skip to content
← Back to buying guide

Technical reference

Buffalo LinkStation SoHo 220 4TB specifications

LS220D0402B · 2 bays · 4TB HDDs included · US configuration

Complete specifications with requirements, upgrade limits and sources. For our buying judgment, reviews and prices, return to the buying guide.

Find a specification

All specifications are shown below. Jump to a category or search for a detail, including its requirements and sources.

Search all 40 specifications, including conditions and limits.

Identity

Manufacturer values and explicit qualification notes.

Identity specifications
Exact manufacturer modelLS220D0402B[1]

United States factory-populated configuration; the B suffix identifies SoHo.

Country of OriginJapan[1]

Manufacturer Specifications → Identity → Country of Origin; SoHo 220 column where applicable.

Storage

Manufacturer values and explicit qualification notes.

Storage specifications
Included raw HDD capacity4 TB total[1]

2 installed HDD(s); capacity before RAID, formatting and system overhead.

Capacity with drive-failure protectionAbout 2 TB before overhead in RAID 1[1]

Calculated from two equal-capacity disks; RAID is not a backup.

Number of drive bays2[1]

Manufacturer Specifications → Storage → Number of drive bays; SoHo 220 column where applicable.

Drive interfaceSATA 3 Gbps[1]

Manufacturer Specifications → Storage → Drive interface; SoHo 220 column where applicable.

Supported RAID levels0/1/JBOD[1]

Manufacturer Specifications → Storage → Supported RAID levels; SoHo 220 column where applicable.

Included HDD model, RPM and recording methodNot guaranteed for current retail inventory[1]

A past review sample does not establish the HDD revision supplied today.

M.2 NVMe and PCIe expansionNo supported upgrade documented in the reviewed US specification[1]

The product is sold as a populated SATA appliance; obtain model-specific confirmation before planning upgrades.

Internal filesystem and snapshot supportNot established by the cited US product page[1]

No Btrfs/ZFS snapshot capability is assumed.

Compute

Manufacturer values and explicit qualification notes.

Compute specifications
ProcessorMarvell Armada 370 (800MHz dual issue ARM)[1]

Manufacturer Specifications → Compute → Processor; SoHo 220 column where applicable.

Memory256MB DDR3[1]

Manufacturer Specifications → Compute → Memory; SoHo 220 column where applicable.

Maximum memory / user expansionNot specified in the reviewed US documents[1]

Do not assume the installed memory can be upgraded.

Network

Manufacturer values and explicit qualification notes.

Network specifications
Standards complianceIEEE802.3 (10BASE-T), IEEE802.3u (100BASE-TX), IEEE802.3ab (1000BASE-T), AUTO-MDIX[1]

Manufacturer Specifications → Network → Standards compliance; SoHo 220 column where applicable.

Data transfer rates10/100/1000 Mbps (auto sensing)[1]

Manufacturer Specifications → Network → Data transfer rates; SoHo 220 column where applicable.

Number of ports1[1]

Manufacturer Specifications → Network → Number of ports; SoHo 220 column where applicable.

Connector typeRJ-45[1]

Manufacturer Specifications → Network → Connector type; SoHo 220 column where applicable.

Supported protocolsTCP/IP[1]

Manufacturer Specifications → Network → Supported protocols; SoHo 220 column where applicable.

Network file servicesSMB/CIFS, AFP*, FTP/FTPS[1]

Manufacturer Specifications → Network → Network file services; SoHo 220 column where applicable.

USB

Manufacturer values and explicit qualification notes.

USB specifications
Standards complianceUSB 2.0[1]

Manufacturer Specifications → USB → Standards compliance; SoHo 220 column where applicable.

Data transfer rates480 Mbps* (USB 2.0)[1]

Manufacturer Specifications → USB → Data transfer rates; SoHo 220 column where applicable.

Number of ports1[1]

Manufacturer Specifications → USB → Number of ports; SoHo 220 column where applicable.

Power and environment

Manufacturer values and explicit qualification notes.

Power and environment specifications
Power consumption48W Max[1]

Manufacturer Specifications → Power and environment → Power consumption; SoHo 220 column where applicable. Rated maximum, not measured average consumption.

Power supplyInternal AC 100-240V Universal 50/60Hz[1]

Manufacturer Specifications → Power and environment → Power supply; SoHo 220 column where applicable. Page labels the supply internal but box contents list an AC adapter; construction needs confirmation.

Operating temperature41˚ - 95˚F (5˚ - 35˚C)[1]

Manufacturer Specifications → Power and environment → Operating temperature; SoHo 220 column where applicable.

Operating humidity20 - 80% non-condensing[1]

Manufacturer Specifications → Power and environment → Operating humidity; SoHo 220 column where applicable.

Idle/load power and acoustic measurementNo applicable current-stock measurement established[1]

Official maximum power is not idle consumption or acoustic performance.

Physical and included items

Manufacturer values and explicit qualification notes.

Physical and included items specifications
Dimensions (L x W x H)8.1 x 3.4 x 5 in[1]

Manufacturer Specifications → Physical and included items → Dimensions (L x W x H); SoHo 220 column where applicable.

Weight5.5 lbs[1]

Manufacturer Specifications → Physical and included items → Weight; SoHo 220 column where applicable.

Compatible hard drivesOP-HDBST-3Y Series[1]

Manufacturer Specifications → Physical and included items → Compatible hard drives; SoHo 220 column where applicable.

Client OS supportWindows 11; Windows 10; Windows 8.1 (32-bit/64-bit); Windows 8 (32-bit/64-bit); Windows 7 / Vista (32-bit/64-bit); Windows Server 2012 R2 through 2003; Mac OS X 10.12 or later[1]

Manufacturer HTML still prints “(32-bit/64-bit)” after Windows 11; Windows 11 has no 32-bit edition. Windows 10/8.1 32-bit wording is left as printed.

Included softwareNAS Navigator 2; NovaBACKUP Buffalo Edition (register on Buffalo’s site to download)[1]

Removed scrape delimiter noise around the NovaBACKUP download link.

Box contentsLinkStation™ SoHo 200, Quick setup guide, Ethernet cable, AC adapter, AC cable, Warranty Statement[1]

Manufacturer Specifications → Physical and included items → Box contents; SoHo 220 column where applicable.

Software and backup

Manufacturer values and explicit qualification notes.

Software and backup specifications
macOS 26 Time MachineLS200 listed as not compatible in Buffalo KB6060[2]

The notice distinguishes existing AFP setups from new Time Machine configurations; this is version-specific.

Backup utilitiesNAS Navigator 2; NovaBACKUP Buffalo Edition; USB backup[1]

Check registration and the license terms for the supplied edition; cloud storage accounts and capacity can cost extra.

Remote file accessBuffalo WebAccess[1]

Remote access depends on your network setup and supported client; local file sharing works on the LAN.

Docker, virtual machines and advanced media transcodingNo supported host or transcoding workload established[1]

File serving and DLNA availability do not prove Plex hardware transcoding or an expandable app platform.

Published firmware in the checked download table1.86 (2025-10-30)[1]

Observation of the manufacturer download table; not a claim about the version installed in a shipped unit.

Ownership

Manufacturer values and explicit qualification notes.

Ownership specifications
US limited warranty3 years[3]

Current Buffalo Americas warranty table; retain proof of purchase and observe region conditions.

Data recovery and replacement termsData is not covered by the hardware warranty[3][1]

Recovery service availability is not a recovery guarantee; a separate backup remains necessary. The SoHo 200 page offers simple logical data recovery after registration within the original warranty period; this is not coverage for every failure or guaranteed recovery.

Exact product identity & open questions

Manufacturer model
LS220D0402B[1]
US factory configuration
4TB total across 2 HDD(s)[1]
  • Current included HDD revision: Exact HDD model, recording method, workload rating and firmware supplied in current inventory are not guaranteed in the reviewed US documents.
  • Undocumented expansion and filesystem details: Maximum memory, internal filesystem, snapshots and third-party application hosting are not established; no such capabilities are promised.
  • Power supply description: Official specification calls the supply internal while package contents include an AC adapter. The quoted mains range does not settle construction.

Sources

Research updated Sep 11, 2026. Individual source check dates are listed below. Measurements belong to the named reviewers; tested configurations and software versions may differ from the product you buy.

  1. [1] Buffalo LinkStation SoHo 220 4TB official specifications ↗

    Checked Sep 11, 2026 · Specifications tables → LS220D0402B / LinkStation SoHo 220 column; Overview; Downloads

  2. [2] Buffalo macOS 26 Time Machine compatibility ↗

    Checked Sep 11, 2026 · KB6060 → Model Series Compatibility; article updated 2025-10-13

  3. [3] Buffalo Americas warranty terms ↗

    Checked Sep 11, 2026 · NAS warranty table → LS200/LS700 or SoHo; proof of purchase and region restrictions

  4. [4] LinkStation SOHO 4TB NAS Review ↗

    Checked Sep 11, 2026 · Exact manufacturer number; installed drives; performance test paragraphs

  5. [5] Newegg — LS220D0402B ↗

    Checked Sep 11, 2026 · Model and current .product-buy-box: Sold by Newegg, displayed USD price and Add to cart. ItemDetail seller agrees where provided; other-seller popovers are excluded.

  6. [6] CDW LS220D0402B ↗

    Checked Sep 11, 2026 · Mfg # LS220D0402B; $405.99; In Stock; Add to Cart.

Research and review record

  • Research: Grok 4.6 · Source research and data update
  • Self-check: Grok 4.6 · Researcher self-check
  • Independent review: GPT-6 (Codex) · Exact SKU and capacity specifications; consumer versus SoHo warranty and documentation boundaries; original test conditions and available figures; primary US new-item offers and honest residual coverage.
  • Editorial integration: GPT-6 (Codex) · Editorial integration and validation

Independent review completed for the scope recorded in the audit.

Source evidence and review history (JSON)

How we research products·Affiliate disclosure