Genuine-spec US layout keyboard replacement for MacBook Pro 15″ (2018–2019, Models A1989/A1990)—designed for reliable typing, full compatibility, and seamless integration with original top case assemblies. Compatible With: MacBook Pro 15-inch (2018 A1989 and 2019 A1990 models) with Touch Bar. Layout: Standard US English (QWERTY) with full-size keys, including inverted-T arrow keys and dedicated function row. Integrated Features: Includes built-in backlighting, scissor-switch mechanism (3rd-gen Butterfly or revised Butterfly mechanism, depending on original model year), and ribbon cable connector matching Apple’s OEM design. Functionality: Supports all native keyboard features, including brightness, volume, media controls, and Touch ID power button (note: Touch ID sensor is not included—this is the keyboard only). Build Quality: Precision-engineered to match Apple’s original fit, feel, and durability—ideal for professional repairs or top case refurbishment. Installation Note: Requires full top case disassembly. Keyboard is adhered to the top case and must be carefully removed and replaced using proper tools and techniques. Recommended for experienced technicians. Model Verification: Ensure your MacBook is A1989 (2018) or A1990 (2019) before purchase—keycaps and connectors differ from other MacBook generations.
The Brother MFC‑T4500DW All-in-One Ink Tank Refill System Printer combines printing, scanning, copying, and faxing in one versatile device. Designed for home, office, and small business use, it delivers sharp black-and-white and vibrant color prints while keeping ink costs low thanks to its refillable ink tank system. Moreover, its high-capacity tanks reduce the frequency of refills, saving time and money for busy users. This printer offers fast, reliable output and supports duplex (double-sided) printing to help reduce paper usage. Its scan and copy functions enable efficient document management, while the fax feature adds convenience for offices that need reliable communication tools. The visible ink tanks make it easy to monitor ink levels, avoiding unexpected interruptions. The MFC‑T4500DW also supports wireless and mobile printing from smartphones, tablets, and computers, providing flexible and convenient operation. Furthermore, its compact design fits neatly in small workspaces, making it perfect for students, professionals, and small offices. Finally, this all-in-one printer combines cost-efficiency, versatility, and high-quality output for everyday printing needs. Specifications: High-capacity refillable ink tanks for reduced downtime Duplex (double-sided) printing for efficiency Clear scanning and copying functions Convenient fax capabilities Compact design suitable for home and office
AMD Ryzen™ 7 9700X delivers powerful performance for gamers and professionals. It is designed to handle heavy workloads easily. With eight cores and sixteen threads, it offers smooth multitasking. This helps you work and play without slowdowns. The AMD Ryzen™ 7 9700X features high clock speeds. It boosts your system’s speed for fast, responsive computing. Its advanced architecture supports efficient power usage. So, it balances performance with energy savings effectively. This processor works well with DDR4 memory. It ensures quick data access and better overall system speed. The AMD Ryzen™ 7 9700X is ideal for gaming, streaming, and creative tasks. It delivers smooth graphics and fast load times. It supports PCIe 4.0 for faster connections with storage and graphics cards. This improves your PC’s responsiveness. With built-in security features, it keeps your data protected during use. This adds an extra layer of safety for your system. The AMD Ryzen™ 7 9700X offers excellent value for high-performance computing. It suits both work and play perfectly. It supports overclocking for users who want to boost performance further. This allows more control over system speed. This processor is compatible with many AM4 motherboards. It offers easy upgrades and system building options. The AMD Ryzen™ 7 9700X is built for stability and long-term use. You can rely on it for consistent performance. It provides a great balance between speed, power, and efficiency. This makes it a top choice in its category. Specifications: CPU Cores : 8 Threads : 16 Boost Clock : 5.5GHz Default TDP : 65W
Capacity: 2 TB Interface: Serial ATA/600 Spindle speed: 5900 RPM Size format: 3.5 “ Cache memory: 64 MB Average latency: 8 ms Technology: NCQ – Native Command Queuing AcuTrac – technology provides high reliability and performance of reading/writing in harsh environments Designed to continuous operation 24/7: Weight: 0.524 kg Manufacturer / Brand: SEAGATE 1 YEAR WARRANTY
Description : Supports 12th Generation Intel Core™ Processor Intel Z690 single chip architecture Supports Dual Channel DDR5 6000+(OC)/ 5600(OC)/ 5400(OC)/ 5200(OC)/ 4800 up to 128 GB Memory Supports PCIe 5.0 Supports PCIe M.2 (64Gb/s) Supports Intel Optane Technology Supports Display Port 5K Supports 2.5 GbE LAN Supports USB 3.2 Gen2x2 Type C Supports WiFi 6E module (No WiFi 6E card included) Specifications : Chipset Intel Z690 CPU SUPPORT Support for 12th Generation Intel Core™ i9/ i7/ i5/ i3 processors and Intel Pentium processors/ Intel Celeron processors in the LGA1700 package * Please refer to www.biostar.com.tw for CPU support list. MEMORY Supports Dual Channel DDR5 6000+(OC)/ 5600(OC)/ 5400(OC)/ 5200(OC)/ 4800 4 x DDR5 DIMM Memory Slot, Max. Supports up to 128 GB Memory Each DIMM supports non-ECC 4/ 8/ 16/ 32 DDR5 module Support Intel Extreme Memory Profile (XMP) memory modules * Please refer to www.biostar.com.tw for Memory support list. INTEGRATED VIDEO By CPU model Supports DX12 Supports HDCP STORAGE — Total supports 4x M.2 socket and 8x SATA III(6Gb/s) ports 8 x SATA III (6Gb/s) Connector : Supports AHCI, RAID 0, 1, 5, 10 (Support Only SATA_1~SATA_4) & Intel Rapid Storage Technology 1 x M.2 (M Key) Socket (M2_PCIEG4_64G_1): Supports M.2 Type 2280 SSD module Supports PCIe 4.0x 4 (64Gb/s) – NVMe/ AHCI SSD Supports Intel® Optane Technology 1 x M.2 (M Key) Socket (M2_PCIEG4_64G_2): Supports M.2 Type 2280/22110 SSD module Supports PCIe 4.0x 4 (64Gb/s) – NVMe/ AHCI SSD Supports Intel Optane Technology 1 x M.2 (M Key) Socket (M2_PCIEG4_64G_3): Supports M.2 Type 2280/22110 SSD module Supports PCIe 4.0x 4 (64Gb/s) – NVMe/ AHCI SSD Supports Intel Optane Technology 1 x M.2 (M Key) Socket (M2_PCIEG3_32G_SATA): Supports M.2 Type 2242/2260/ 2280/ 22110 SSD module Supports PCIe 3.0x 4 (32Gb/s) – NVMe/AHCI SSD & SATA III (6Gb/s) SSD LAN Realtek RTL8125B 10/ 100/ 1000/ 2500 Mb/s auto negotiation, Half / Full duplex capability AUDIO CODEC ALC1220 7.1 Channels, High Definition Audio, Hi-Fi(Front + Rear) USB 2 x USB 3.2 (Gen2x2) Type-C ports (1 on rear I/O and 1 via internal header) 9 x USB 3.2 (Gen2) ports (7 on rear I/Os and 2 via internal header) 4 x USB 2.0 ports (4 via internal header) EXPANSION SLOT 2 x PCIe 5.0 x16 Slots (x16 or x8 mode) 1 x PCIe 4.0 x16 Slots (x4 mode) REAR I/O 2 x WIFI Antenna Ports 2 x HDMI Ports (2.0/1.4) 2 x DP Ports (1.4/1.2) 7 x USB 3.2 (Gen2) Ports 1 x USB 3.2(Gen2x2) TYPE-C-Port 5 x Audio Jack 1 x PS/2-Keyboard & Mouse Port 1 x 2.5 Gigabit LAN 1 x SPDIF_Out INTERNAL I/O 8 x SATA III Connector (6Gb/s) 1 x M.2 (E Key) Socket : Supports 2230 type Wi-Fi & Bluetooth module and Intel CNVi 2 x USB 2.0 Headers (each header supports 2 USB 2.0 ports) 1 x USB 3.2 (Gen2) Header (each header supports 2 USB 3.2 (Gen2) ports) 1 x USB 3.2 (Gen2x2) Type-C Port (each header supports 1 USB 3.2 (Gen2x2) port) 2 x 8-Pin Power Connectors 1 x 24-Pin Power Connector 1 x CPU Fan Connector 1 x CPU water cooling connector (CPU_OPT) 3 x System Fan Connectors 2 x MOSFET Fan Connector 1 x Front Panel Header 1 x Front Audio Header 1 x Internal Stereo Speaker Header 1 x Clear CMOS Switch Button 1 x Power Switch Button 1 x Reset Switch Button 1 x COM Port Header 1 x TPM Header 1 x Thunderbolt Header 2 x LED Headers (5V) 1 x LED Header (12V) 1 x IO LED Header 1 x SB LED Header * M.2 (E key) Wi-Fi card is not provided H/W MONITORING CPU / System Temperature Monitoring CPU / System Fan Monitoring Smart / Manual CPU Fan Control System Voltage Monitoring DIMENSION ATX Form Factor Dimension: 30.5 cm x 24.4 cm ( W x L ) OS SUPPORT Supports Windows 10(64bit) / 11(64bit) ※Biostar reserves the right to add or remove support for any OS with or without notice. BUNDLE SOFTWARE AURORA Utility ACCESSORIES 4 x SATA Cable 1 x DVD Driver 1 x User Manual 1 x Smart Connector FEATURES VIVID LED DJ Touch Button Dual BIOS Tweak Tech Rapid Debug3 BIOS-Flasher A.I FAN LED ROCK ZONE RGB Memory Sync BIOS EZ Mode /Advanced Mode Intel Optane technology AURORA Utility manufacturer link
Original product name: HP Printers Color Laser / A4 Format CF389A Color Laser Jet 452n Speed 27ppm Black/Color, Res 600x600dpi, 256MB Memory, 1.2GHz processor Network, , E-Print, Airprint, USB2.0, Duty Cycle 50,000 pages HP Printers Color Laser / A4 Format CF389A Color Laser Jet 452n Speed 27ppm Black/Color, Res 600x600dpi, 256MB Memory, 1.2GHz processor Network, , E-Print, Airprint, USB2.0, Duty Cycle 50,000 pages
Specifications : GENERAL UPS Type : Tower Phase : Single phase with ground Rating (VA) : 2000 Nominal Power (W) : 1600 Standard Model Dimension (mm) : 397x 145 x 220 (D x W x H) Weight (kg) : 17 Long-run Model Dimension (mm) : 397 x 145 x 220 (D x W x H) Weight (kg) : 6.8 INPUT Connection Type : IEC 320-C14 Nominal Voltage : 200/208/220/230/240 VAC Voltage Range : 110-300 VAC (Load at 50%) 160-280 VAC (Load at 100%) Frequency Range : 45 ~ 70 Hz Power Factor : >= 0.99 OUTPUT Connection Type : 3 x Universal socket (PRO902WS) 2 x Universal socket (PRO902WL) Nominal Voltage : 200/208/220/230/240 VAC Voltage Regulation : ±1% Frequency Range (Synchronized Range) : 47 ~ 53 Hz or 57 ~ 63 Hz Frequency Range (Batt. Mode) : 50 Hz ± 0.25 Hz or 60 Hz ± 0.3 Hz Current Crest Ratio : 3:1 Harmonic Distortion ; ≤3% THD (Linear load) ≤6% THD (Non-linear load) ALARM & INDICATORS Battery Mode : Sounding every 4 seconds Low Battery : Sounding every second Overload : Sounding twice every second Fault : Continuously sounding LCD : Load level, Battery Level, AC mode, Battery mode, Bypass mode and Fault CONNECTIVITY, CONTROL & MONITORING Front panel : Status LED, Function keys, LCD display Communication : Smart RS232* USB : Port BATTERY Standard Model Type : 12V / 9Ah Numbers : 4 Typical Recharge Time : 4 hours recover to 90% capacity Long-run Model Type : Depending on the capacity of external batteries Number : 4/6/8 Charging Current (max) : 1A / 2A / 4A / 6A Adjustable REAR PANEL 1. AC Input 2. Input circuit breaker 3. USB Communication port 4. RS-232 communication port 5. Intelligent slot 6. External battery connection (Only available for L model) 7. Output receptacles
The Epson EcoTank L6270 A4 Wi‑Fi Duplex All-in-One Ink Tank delivers long-lasting printing with minimal refills. First, its high-capacity refillable EcoTank bottles save money and reduce interruptions. This makes it perfect for home offices, small businesses, or personal projects. In addition, the printer handles printing, scanning, and copying with automatic duplex and a document feeder. Wi‑Fi, Wi‑Fi Direct, and Ethernet connectivity let you print easily from laptops, tablets, and smartphones using the Epson Smart Panel app or AirPrint. Moreover, the PrecisionCore printhead produces sharp text and vibrant images up to 4800 × 1200 dpi. The 250-sheet front paper tray and intuitive control panel improve workflow. For example, it handles reports, invoices, and family photos efficiently. Specifications: High-capacity EcoTank system reduces refills and running costs All-in-one printing, scanning, and copying with auto duplex and document feeder Wi‑Fi, Wi‑Fi Direct, and Ethernet for seamless mobile and PC printing PrecisionCore printhead delivers sharp text and vibrant images 250-sheet paper tray and intuitive control panel for smooth workflow
