Hardware Reference
Complete technical specifications for Twin Jade™ J88 and JX888 bridge ASIC
About This Page
This page serves as the authoritative technical specification sheet for IT administrators, OEM partners, developers, and technical users. For marketing information and features, see Products. For getting started guides, see Documentation.
Twin Jade™ J88 Specifications
Quick Specs Overview
Hash Rate
~2.4 TH/s
Processes 2.4 trillion calculations per second
Power Consumption
<100W
About the same as a laptop
Efficiency
>10 GH/W
Industry-leading power efficiency
Interface
PCIe Gen 2.0 x1
Fits any desktop PCIe slot
Detailed Specifications
Mining Performance
~2.4 TH/s
2,400 GH/s (target)
Processes 2.4 trillion calculations per second
>50 GH/W
Industry-leading power efficiency
Note: Gigahashes per watt - more efficient means lower electricity costs
~1.2 TH/s per ASIC
Each BM1370 chip contributes 1.2 TH/s independently
ASIC Details
Bitmain BM1370
Latest-generation Bitcoin mining chip
2× independent ASICs
Dual-chip configuration for higher performance
Independent UART per ASIC
Each chip has dedicated communication, no daisy-chaining
Per-chip frequency control
Independently tune each ASIC for optimal performance
Per-chip voltage control
Fine-tune power consumption and stability
525 MHz
Factory default operating frequency
Power Delivery
<50W
~45W typical, <50W maximum
Uses less power than most laptops
6-pin PCIe power connector
Standard connector used by graphics cards
12V
Standard PC power supply voltage
6-layer PCB
Professional-grade power stability and signal integrity
24/7 continuous operation
Designed for always-on mining workloads
Thermal Management
Dual TMP1075 temperature sensors
One dedicated sensor per ASIC for accurate monitoring
0°C
Minimum safe operating temperature
70°C
Maximum safe operating temperature (standard computer range)
Built-in thermal protection
Automatic throttling prevents overheating and ensures long hardware life
Physical Specifications
PCIe x1 card
Installs into desktop PC PCIe slot, just like a graphics card
TBD
Note: Physical dimensions to be finalized
TBD
Note: Weight specifications to be finalized
Interface & Connectivity
PCIe Gen 2.0 x1
Fits any PCIe x1, x4, x8, or x16 slot (same as graphics cards)
JX888 custom bridge controller
Proprietary chip for direct PCIe-to-ASIC communication
500 MB/s
More than enough for mining communication (no bottlenecks)
Security & Anti-Counterfeit
Multi-layer cryptographic protection
Ensures product authenticity and enables warranty tracking
Globally unique identification
Cloud-based clone detection system
Encrypted manufacturing data
Secure storage of calibration and production information
Secure field updates
Safe calibration and performance tuning via software
Product Status
In Development
Pre-production engineering and testing phase
JX888 Bridge ASIC Specifications
The JX888 is a custom bridge controller that enables direct PCIe-to-ASIC communication without requiring an external microcontroller. This reduces complexity, latency, and cost while improving reliability.
By leveraging your computer's CPU for mining management and your computer's internet connection, the Twin Jade™ achieves significantly lower latency than USB-based ESP32 miners—especially beneficial for solo mining operations where milliseconds matter.
Quick Specs Overview
PCIe Interface
Gen 2.0 x1
2.5 GT/s, 500 MB/s
Low-latency host communication
UARTs
4× @ 25 Mbps
Four independent high-speed serial ports
Package
68-pin QFN
8mm × 8mm
Compact surface-mount package
Temperature Range
-40°C to +85°C
Industrial-grade reliability
Detailed Specifications
PCIe Interface
PCIe Gen 2.0 x1
Standard PC expansion interface
2.5 GT/s
2.5 gigatransfers per second
Fast, low-latency communication with host PC
500 MB/s
Plenty of bandwidth for mining operations (no bottlenecks)
DMA support
Direct memory access for efficient data transfer
High-Speed UARTs
4× independent UARTs
Four separate high-speed serial ports
Up to 25 Mbps per port
25 megabits per second each
Fast communication with mining ASICs
256-byte TX/RX FIFOs
Hardware buffers for reliable data transmission
DMA support
Efficient data transfer without CPU overhead
Additional I/O Interfaces
SPI Master at 41.6 MHz
High-speed serial peripheral interface
I2C Master interface
For temperature sensors and other peripherals
16× configurable GPIO pins
General-purpose I/O for flexible hardware control
Interrupt support
Hardware event notification to host system
Package & Pinout
68-pin QFN
Quad Flat No-lead package
Compact surface-mount package
8mm × 8mm
Small footprint for efficient board layout
Power Requirements
3.3V
Standard logic voltage from PCIe bus
Integrated 1.0V LDO
Low-dropout regulator
On-chip voltage regulation for core logic
Low power consumption
Minimal overhead compared to mining ASICs
Operating Conditions
-40°C
Industrial-grade minimum temperature
+85°C
Industrial-grade maximum temperature (far exceeds PC requirements)
Industrial grade
Reliable operation in harsh environments
System Requirements
Twin Jade™ J88 works with any modern desktop PC that meets the following requirements. Most desktop computers from the last 10 years will be compatible.
PC Hardware Requirements
PCIe Gen 2.0 x1 or larger slot
Any modern desktop PC with available PCIe slot (x1, x4, x8, or x16)
Note: Most motherboards have at least one available PCIe slot
6-pin PCIe power connector
Standard connector from power supply (100W capacity)
Note: Same cable used by graphics cards
Adequate PSU wattage
+100W headroom recommended
Ensure power supply can handle additional 100W load
Note: Check total system power requirements
Case ventilation recommended
Adequate airflow helps maintain optimal operating temperature
Note: Standard PC cooling is sufficient
Operating System Support
Linux kernel 5.10+
Modern kernel support (5.10 LTS and newer including 6.x series)
Debian, Ubuntu, Fedora, RHEL, Rocky Linux
All major Linux distributions supported
Note: GPL-2.0 licensed open-source drivers
Windows 10 (32-bit & 64-bit)
Full Windows 10 support with HLK-certified drivers
Windows 11 (64-bit)
Latest Windows version fully supported
Microsoft HLK certified
Windows drivers pass official Microsoft compatibility testing
Network Requirements
Internet connection required
Mining requires connecting to a mining pool over the internet
Low-latency, stable connection
Wired Ethernet recommended over Wi-Fi for reliability
Note: Mining is not bandwidth-intensive but requires stability
Software Requirements
jx888-drivers package
Hardware drivers for JX888 bridge ASIC
Note: Available as DEB/RPM for Linux, installer for Windows
jaded daemon
Core mining software (runs as background service)
jade command-line tool
Control interface for managing devices and viewing statistics
~100 MB free disk space
For drivers, software, and statistics database
Software Stack Reference
Twin Jade™ J88 uses open-source drivers and mining software for maximum transparency and community support. All software is available for both Linux and Windows.
Hardware Drivers
jx888_sp serial port driver
GPL-2.0 licensed open-source kernel module
DEB and RPM packages
Native package formats for Debian/Ubuntu and Fedora/RHEL
Microsoft HLK-certified drivers
Windows Hardware Lab Kit certified for compatibility
Pre-built Windows installer
Plug-and-play installation experience
Targeting mainline kernel inclusion
Working toward inclusion in official Linux kernel
Note: Would eliminate need for separate driver installation on Linux
Mining Software
jaded mining daemon
High-performance mining program (runs 24/7 in background)
Stratum V1 pool protocol
Industry-standard mining pool communication
Multi-device support
Manage multiple Twin Jade cards from single software instance
Temperature & power monitoring
Real-time hardware telemetry and statistics
REST API + JSON-RPC interface
Programmatic control and monitoring (internal use)
SQLite statistics database
Historical performance data and analytics
Control Interface
jade CLI (Go binary)
Command-line control tool for device management
Device discovery and configuration
Detect, configure, and monitor connected devices
Pool connection settings
Configure mining pool URL, wallet address, and credentials
Interactive TUI dashboard
Text-based user interface (similar to htop or nvtop)
Real-time statistics
Live hash rate, temperature, power consumption
Frequency/voltage tuning
Adjust ASIC operating parameters for performance or efficiency
Ready to Get Started?
Follow our documentation to install drivers and start mining, or contact us for commercial inquiries.