Various Retailers have 512GB SanDisk Ultra UHS-I microSDXC Memory Card w/ SD Adapter (SDSQUAC-512G-GN6MA) for $27.99. Shipping terms vary by retailer.

Available from:

• Western Digital $27.99 + free shipping
• Amazon $27.99 + free shipping w/ Prime or on $35+ orders
• B&H Photo Video $27.99 + free shipping on $49+ orders

Features:

• 512GB Storage Capacity
• UHS-I / U1 / Class 10 / A1
• Max Read Speed: 150 MB/s
• Min Write Speed: 10 MB/s
• Records Full HD Video
• Capture Raw and JPEG Photos
• Water / Shock / Magnet / X-Ray Proof
• Can Resist Temperature Extremes
• Works with Android Smartphones & Tablets