# The OWC OWCHELIOS1TB3 Mercury Helios PCIe Expansion Chassis 3 gives Thunderbolt equipped Macs the ability to tap into a huge variety of pro-level performance PCIe cards, previously the sole domain of desktop workstations. Leveraging extreme performance Thunderbolt 3 and PCIe 3.0 technologies, Mercury Helios 3 delivers nearly unlimited expansion potential to your Mac. At up to 40Gb/s transfer speed, the sky is the limit with the flexibility to completely customize the capabilities of almost any workflow or workstation. Expansion Comes Standard Mercury Helios 3 features one half-length (up to 7.75"), full-height, double-width x16 PCIe 3.0 slot to provide a vast array of expansion options. Two Thunderbolt 3 ports means Mercury Helios supports up to five additional daisy-chained Thunderbolt peripherals including power delivery. Mercury Helios 3 also features an additional mini DisplayPort to add additional UHD or HD displays and an included Thunderbolt 3 cable. Mercury Helios is fast and flexible with phenomenal throughput up to 40Gb/s. The perfectly simple solution to add high-performance PCIe cards made for video production, transcoding, audio processing, data storage and much more.

**Manufacturer:** Other World Computing  
**MPN:** `OWC-HELIOS1TB3`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Other World Computing |
| Manufacturer name | Other World Computing |
| Manufacturer | Other World Computing |
| moq | 1 |
| MPN | OWC-HELIOS1TB3 |
| multiple | 1 |
| qtyInStock | soldout |
| tierMinQty1 | 1 |
| tierPrice1 | 209.95 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Markertek | OWC-HELIOS1TB3 | 209.95 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/148500000/148545000/part_--OWCHELIOS1TB3---OtherWorldComputing--ec9d481855.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp