Dell Precision T3660, T3680, T5860, T7960 Workstations with Thunderbolt 4 for Industrial Automation and PLC Applications
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The 16 March 2026 entry records one Dell Thunderbolt 4 expansion card with cables, described as new and original with a one-year warranty. The nine photographs show the card and internal harnesses rather than complete Precision workstations. T3660, T3680, T5860 and T7960 are application names in the entry and retained title; compatibility with an individual workstation requires checking its configuration.
Identification and delivery details
The green board is marked Thunderbolt 4 PCIe card, DELL and DPWC510. Its identification label and carton carry Dell part number 7R4VG. The back of the PCB reads PWB REV A01. The bracket has two USB-C-shaped sockets and two DisplayPort-shaped sockets, and the card has a PCIe edge connector. The photographs show socket form and board identity without a host enumeration or transfer-speed test.
Internal cable ends carry SIDEBAND and TBT labels. A sideband header is labelled on the card. The board states Made in China alongside a Hon Hai company address in Taiwan; the address is separate from the manufacturing statement. Carton labelling also states COO CN. Packaging dates are separate from the March delivery. The small card PPID is not used to assert that every carton/cable is an originally matched set without checking its full identifiers.
| Item | Evidence |
|---|---|
| Photographed item | Dell Thunderbolt 4 PCIe expansion card with internal cables |
| Dell part number | 7R4VG on card identification and carton |
| Board markings | DPWC510; PWB REV A01 on rear |
| Bracket sockets | Two USB-C-shaped and two DisplayPort-shaped sockets |
| Host connection | PCIe edge connector; sideband header |
| Included cable evidence | Internal harnesses marked SIDEBAND and TBT |
| Manufacturing markings | Made in China on PCB; COO CN on carton; Taiwan company address separately stated |
| Listed host families | T3660 / T3680 / T5860 / T7960 in entry; configuration-specific support not demonstrated |
| Quantity and delivery terms | One card set; new/original as recorded; one-year warranty; 16 March 2026 |
| Record weight | 0.5 kg; no bare-card weighing shown |
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Physical card identity and visible connectors follow the photographs. The entry supplies listed host families and warranty. Neither the workstation processor/memory specifications nor industrial PLC-software performance claims are supported by this accessory photo set.
Matching this part
Provide your Precision model and service configuration, existing card part number, free slot and internal header photographs. Confirm Dell's supported card/cable arrangement for that host, including BIOS and driver requirements, before ordering.
Check which internal harnesses and external display-input cables are required and included. Ask for a host-specific detection and port test if part of acceptance; labelled Thunderbolt 4 hardware does not by itself demonstrate operation in every listed chassis.
Photos and recorded media









Recorded inspection clip. The clip is retained as delivery evidence; no performance measurement is inferred from it.
Related records and products
See the separate HP-labelled Main PCA Board record for a different host-specific circuit board. Neither record establishes interchangeability. Contact KOEED with the Dell host and card identifiers.
Request this part
Send 7R4VG, workstation model, slot/header photographs and quantity. Request confirmed host support, cable contents, available condition and written warranty terms.
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